Question

Check all that apply
X^2+7x-8

Answer 1

x = -8, 1.

Explanation:

x^2 + 7x - 8 = 0

(x + 8)(x - 1) = 0

x = -8, 1.

Answer 2

-8 and 1

Explanation:

Quadratic expression.

A quadratic expression is an expression with 2 as the highest power of the unknown.

Solving the question:

`x {}^(2) + 7x - 8 \\ x {}^(2) + 8x - x - 8 \\ x(x + 8) - 1(x + 8) \\ (x - 1)(x + 8) \\ x = 1 \: or \: x = - 8`