Question

factorize
x^2 – 4x- 21 +10y-y^2
full process
and ill mark u the brainliest

Answer 1

Answer:

(X-7)(x+3)+y(y+10)

Step-by-step explanation:

x^2−4x−21+10y-y^2

x^2+3x-7x-21-y^2+10y

x(x+3)-7(x+3)+y(y+10)

(X-7)(x+3)+y(y+10)

Answer 2

Hope the answer helped you