Question

b²-33b+90 Factorise

please help me to answer this​

Answer 1

Answer:

b=30 or b=3

Step-by-step explanation:

b^2-33b+90

b^2-3b-30b+90

b(b-3)-30(b-3)

(b-3) (b-30)

b-3=0 (or) b-30=0

b=3 (or) b=30

Answer 2

Step-by-step explanation:

b^2-33b+90

b^2-3b-30b+90

common factor from the two pair

b^2-3b-30b+90

b(b-3) -30(b-3)