How do you solve the equation: $4x^2=20$ ?

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Answer 1 · 2018-04-03T22:56:52

$x=+-sqrt5$

We can start by dividing both sides by $4$ . Doing this, we get:

$x^2=5$

Next, we can take the square root of both sides to get:

$x=+-sqrt5$

There are no perfect squares to factor out of $sqrt5$ so we could simplify this. Thus, $+-sqrt5$ is our answer.

How do you solve the equation: 4x^2=204x^2=20?