Question

Find the product of (x + 7)2.
x2 − 14x + 49
x2 + 14x + 49
x2 − 49
x2 + 49


i got tthe scond one am i right?

Answer 1

expand (x+7)(x+7)

Answer 2

(a+b)^2 = a^2 + 2ab + b^2 where your a = x; b = 7...just substitute

Answer 3

so x2+14+49?

Answer 4

its \[x ^{2}+14x+49\] you're correct