Question

AJUTOR !!! 1. Copiaza si completeaza : ...Va rog repede !

Answer 1

a)4
b)6x
c)12xy
d)12x
e)2
f)a²+20

Answer 2

a)$(x+2)^{2} = x^{2} + 4x + 4$
b)(x+3)^{2} = x^{2} + 9 + 6x
c)(2x+3y)^{2} = 4x^{2} + 9y^{2} + 12xy
d)(2x-3)^{2} = 4x^{2} + 9 - 12x
e)(x√3-√2)^{2} = 2 - 2x√6 + 3x^{2}
f)(2√5+a)^{2} = 4a√5 + 20 + 2^{2}