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OpenStudy (anonymous):
find the product of (3x-7)²
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OpenStudy (anonymous):
look at the equation as (3x-7)(3x-7)
OpenStudy (anonymous):
means????? 9x²+21x-21x-45?? am i right?
OpenStudy (anonymous):
\[(3x-7) ^2 \] \[(3x^2)-49\] \[x^2=49-9\] \[x^2 = 40 \] \[x =6.324\] =)
OpenStudy (anonymous):
ty hahah
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