Solve 5u^2 — 90 = 0, where u is a real number.

Round your answer to the nearest hundredth.

If there is more than one solution, separate them with commas.

If there is no solution, click on "No solution".

+4.24, -4.24

Step-by-step explanation:

We are given:

Simply move 90 to the right hand side and solve:

It is noteworthy that a square root has two solutions, the positive and the negative of a number i.e. ±x

This is because and

Hence:

± ≅ ±4.24

The solutions of the equation are +4.24 and -4.24.

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