Question

factorise the following p2-9p+20.​

Answer 1

Answer:

(p-5) (p-4)..

Step-by-step explanation:

p2 - 9p + 20

(I) Use the sum-product pattern

p2 - 9p + 20

p2 -4p - 5p + 20

(II) Common factor from the two pairs

p2 - 4p - 5p + 20

p(p-4) - 5 (p-4)

(III) Rewrite in factored form

p(p-4) -5 (p-4)

(p-5) (p-4)

* Solution »

(p-5) (p-4)

This is your answer OK.....