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OpenStudy (anonymous):
Simplify the following expression: (5x2 + 3x + 4) − (2x2 − 6x + 3). If the final answer is written in the form Ax2 + Bx + C, what is the value of B?
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OpenStudy (anonymous):
the answer is easy : 3x^2+9x+1 B=9
OpenStudy (anonymous):
\[5x ^{2}-2x ^{2}+3x+6x+4-3=3x ^{2}+9x+1\]
OpenStudy (anonymous):
thanks
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