Question

factorisation of p²-10p+21 ​

Answer 1

Answer:

7,3

Step-by-step explanation:

p^2-10p+21

p^2-7p-3p+(7)(3)

p(p-7)-3(p-7)

(p-7)(p-3)=0

p=7,3

Answer 2

The factors where product is 21 and sum is -10 are -3,-7

p^2-3p-7p+21

p(p-3) - 7(p-3)

(p-7)(p-3)