solve 2x^2-8=0 — step-by-step solution

Let's solve in

ℝ

2 x^{2} - 8 = 0

You can write the expression in factored form:

2 \cdot (x^{2} - 4) = 0

Let's solve:

x^{2} - 4 = 0

▷Answer: $x = {-2, 2}$