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OpenStudy (anonymous):
If (2x^2+5x-3) (5x-4) = ax^3+bx^2+cx+d for all real values of x, what is the value of b?
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OpenStudy (anonymous):
just multiply the LHS and group the terms having same powers of x.
OpenStudy (anonymous):
since b corresponds to\[x ^{2}\] find the corresponding co efficient of \[x ^{2}\] in the LHS
OpenStudy (anonymous):
thanks
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