Question

I just really need some help​

Answer 1

-7 and 10

Explanation:

`2x^2-6x-140=0`

Divide both sides by 2

`x^2-3x-70=0`

From the possible solutions given, we know this equation can easily be factored.

`(x-10)(x+7)=0`

`\therefore x_1=-7 \text{ and } x_2=10`