Question

Solutions to3x2 - 42 = 33

Answer 1

$3x^2\text{ - 42 = 33}$

First, isolate the quadratic term.

$3x^2\text{ = 33 + 42}$$x^2\text{ = }\frac{75}{3}$$x\text{ = }\sqrt{25}$

This equation has two solutions:

$x\text{ = 5 or x = -5}$