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OpenStudy (anonymous):
can anyone help me with this problem 8x5-15x3
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OpenStudy (anonymous):
8x5-15x3 40-45 -5
OpenStudy (anonymous):
\[8x ^{5}-15x ^{3}\]
OpenStudy (anonymous):
(8x2-15)(x3) (8x2-15)(x3)=0 x3=0.........so x=0 8x2-15=0 8x2=15 divide by 8 both sides x2=15/8 x=sqrt of 15/8
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