Question

For what values of x is x2 + 2x = 24 true?–6 and –4–4 and 64 and –66 and 4

Answer 1

Answer:

4 and -6

Step-by-step explanation:

$x^2+2x=24 \\\\x^2+2x-24=0 \\\\(x-4)(x+6)=0$

By zero product rule x is 4 and -6.

Hope this helps!

Answer 2

Answer:

Step-by-step explanation:

x²+2x-24=0

x²+6x-4x-24=0

x(x+6)-4(x+6)

(x-4)(x+6)=0

either

x-4=0  or  x+6=0

x=4   or  x=-6