## anonymous 5 years ago 5x^2-5=120

1. anonymous

If you're solving for x, then you must get x alone :$5x^2 = 120+5 \rightarrow x^2 = \frac{125}{5}$$x = \pm \sqrt(25) \rightarrow x = \pm5$ ^_^

2. anonymous

X = $\pm5$