4 years ago

5x^2=45 what is x? ahh I need help.. anyone?

Mathematics

2 answers:

Zina [86]4 years ago

5 0

5x²=45

x²=45/5=9

x²=9

Therefore, x=(-3) and x=3.

Tema [17]4 years ago

3 0

<span>5x^2 = 45</span>

Divide each side by 5 :

x^2 = 9

Take the square root of each side:

x = +3 or -3 .

Did I go too fast for you ?

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see attached

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