Question

factories 4a2+b2+4ab+12a+6b+9​

Answer 1

Answer:

by using identities

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

and (a^2-b^2)=(a+b)(a-b)

4a^2-b^2+6b-9

4a^2-(b^2-6b+9)

(2a)^2-(b^2-(2)(3)(b)+3^2)

(2a)^2-(b-3)^2

((2a-(b-3)(2a+(b-3))

(2a-b+3)(2a+b-3)

Hope it helps! <3