How do you solve $5x^2 = 125$ ?

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Answer 1 · 2016-05-06T21:03:27

x=5

5 $x^2$ = 125

Firstly divide by five which gives:

$x^2$ =25

Then square root $x^2$ to have x alone

x=√25=5

x=5

Answer 2 · 2016-05-06T21:04:25

$x=±5$

$5x^2=125$

$cancel(5)x^2=cancel(125)$

$x^2=25$

$sqrt(x^2)=sqrt (5^2)$

$x=±5$

How do you solve 5x^2 = 1255x^2 = 125?