Question

se p=3x+2 e Q=3x-2 quanto é (P+Q) elevado a 2 ?

Answer 1

$(P+Q)^{2}=([3x+2]+[3x-2])^{2}\\\\(P+Q)^{2}=(3x+2+3x-2)^{2}\\\\(P+Q)^{2}=(6x)^{2}\\\\(P+Q)^{2}=6^{2}x^{2}\\\\\\\boxed{\boxed{(P+Q)^{2}=36x^{2}}}$

Answer 2

3zx+ 2 + 3x - 2 ==> 6x 

(6x)^2 = 36x^2