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OpenStudy (tia_sweetheart17):
solve the equation: x(7x-2)=9
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OpenStudy (rina.r):
x(7x-2)=9 7x2-2x=9 (its 7x square) 5x =9 x= 5/9 x=0.5
OpenStudy (anonymous):
no we can't subtract x from 7xsquare
OpenStudy (rina.r):
no u multiply x with the number inside the bracket which gives u x square
OpenStudy (rina.r):
x come with the number when u subtract 7x from -2x
OpenStudy (anonymous):
i am not sure so use other means for confirm |dw:1385696182649:dw|
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