Question

Which of the following are solutions to the quadratic equation 2x^2+5x-10=x^2+4

Answer 1

E. - 7

Explanation:

2x2-X2+5X-10-4=0

X2+5X-14=0

X2-2X+7X-14.=0

X(X-2). 7(X-2)=0

(X+7). (X-2)

X=-7, X=2

Answer 2

the answer is -7 and 2

Explanation: