Question

2(x+1)^2 +4(x+1)+7 as a simplified polynomial

Answer 1

Answer:

2x^2+8x+15

Step-by-step explanation:

${2(x + 1)}^{2} + 4(x + 1) + 7$

$2({x}^{2} + 2x + 1) + 4x + 4 + 7$

$2 {x}^{2} + 4x + 2 + 4x + 13$

$2 {x}^{2} + 8x + 15$