Question

hii guys how r u plz solve it
use suitable identity of find the following products i (x+5)(x+2)
plz if u no then answer me ​

Answer 1

Answer:

For solving( x+5)(x+2)

we can use the identity

x^2+(a+b)x+ab

x^2+(5+2)x+5×2

x^2+7x+10

This is the answer

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(x-5)(x-5)

(x-5)^2

x^2+2×x×5+5^2

x^2-10x+25

ans for 2nd question