Question

me ajuuudddeeemmm pliiisss e pra hojeee​

Answer 1

Resposta:

2)a) 18x

b) +25

c)x^2

d)x^2

3) D

Explicação passo-a-passo:

2) a) (x+9)^2=x^2+2×x×9+9^2=x^2+18x+81

b) (×-5)^2=x^2-2×x×5+5^2=x^2-10x+25

c) (x-6)^2=x^2-2×x×6+6^2=x^2-12x+36

d) (x+4)^2=x^2+2×x×4+4^2=x^2+8x+16

3)(2x+10)^2=(2x)^2+2×(2x)×10+10^2=4x^2+40x+100