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OpenStudy (anonymous):
Solve. 7x^2 – 63 = 0 x = 7 and x = 9 x = 9 and x = 3 x = 3 and x = –3 x = 3 and x= 7
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OpenStudy (anonymous):
x=3,-3
OpenStudy (anonymous):
7x^2 = 63 x^2 = 9 x = 3, -3
OpenStudy (angela210793):
7(x^2-9)=0 x^2-9=0 x^2=9 x=+ - 3
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