Question

√2x²+2x-40 > √2x²+2x-40

Answer 1

Step-by-step explanation:

STEP

1

:

Equation at the end of step 1

(2x2 - 2x) - 40 = 0

STEP

2

:

STEP

3

:

Pulling out like terms

3.1 Pull out like factors :

2x2 - 2x - 40 = 2 • (x2 - x - 20)

Trying to factor by splitting the middle term

3.2 Factoring x2 - x - 20