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OpenStudy (anonymous):
Is my answer correct? ;) Solve. 5x2 - 20 = 0 Answer: x = 4 and x = 2
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OpenStudy (mew55):
is ur problem saying 5x^2-20?
OpenStudy (anonymous):
yes?
OpenStudy (anonymous):
no?
OpenStudy (anonymous):
I think it should be + or - 2
OpenStudy (anonymous):
x^2-4=0 x is -2 or 2
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OpenStudy (mew55):
no it is not right. here is y factor out the 5 5(x^2-4) then (x-2)(x+2) x=-2 x=2
OpenStudy (anonymous):
^2
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