Question

Factorise:

i) a

2 + b – ab – a

ii) 32a4

– 8a2​

Answer 1

Step-by-step explanation:

(1)a^2+b−ab−a

+b−ab−a=a ^2 −ab+b−a

2 −ab+b−a=a(a−b)−1(a−b)

2 −ab+b−a=a(a−b)−1(a−b)=(a−1)(a−b)

a2" was replaced by "a^2". 1 more similar replacement(s).

a2" was replaced by "a^2". 1 more similar replacement(s).STEP

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2 STEP

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2 STEP 2

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2 STEP 2 :

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2 STEP 2 :Equation at the end of step

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2 STEP 2 :Equation at the end of step2

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2 STEP 2 :Equation at the end of step2:

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2 STEP 2 :Equation at the end of step2: 25a4 - 23a2

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2 STEP 2 :Equation at the end of step2: 25a4 - 23a2STEP

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2 STEP 2 :Equation at the end of step2: 25a4 - 23a2STEP3

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2 STEP 2 :Equation at the end of step2: 25a4 - 23a2STEP3:

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2 STEP 2 :Equation at the end of step2: 25a4 - 23a2STEP3:STEP

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2 STEP 2 :Equation at the end of step2: 25a4 - 23a2STEP3:STEP4

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2 STEP 2 :Equation at the end of step2: 25a4 - 23a2STEP3:STEP4:

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2 STEP 2 :Equation at the end of step2: 25a4 - 23a2STEP3:STEP4:Pulling out like terms

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2 STEP 2 :Equation at the end of step2: 25a4 - 23a2STEP3:STEP4:Pulling out like terms 4.1 Pull out like factors :

a2" was replaced by "a^2". 1 more similar replacement(s).STEP1:Equation at the end of step 1 (32 • (a4)) - 23a2 STEP 2 :Equation at the end of step2: 25a4 - 23a2STEP3:STEP4:Pulling out like terms 4.1 Pull out like factors : 32a4 - 8a2 = 8a2 • (4a2 - 1)

Answer 2

Step-by-step explanation:

I) a

2) +b- ab - a

iii) 32a4

-8a2