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Simplify the 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?
 one year ago
 one year ago
Simplify the 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?
 one year ago
 one year ago

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shashi20008Best ResponseYou've already chosen the best response.1
B = 9. subtract the corresponding powers in both polynomials...
 one year ago

lgbasalloteBest ResponseYou've already chosen the best response.1
distribute the minus: \[5x^2 + 3x + 4  2x^2 (6x)  3\] \[5x^2 + 3x _ 4  2x^2 + 6x + 3\]
 one year ago

lgbasalloteBest ResponseYou've already chosen the best response.1
that's supposed to be minus 3
 one year ago

lgbasalloteBest ResponseYou've already chosen the best response.1
ugh \(5x^2+ 3x + 4  2x^2 + 6x 3\) is the last line
 one year ago

lgbasalloteBest ResponseYou've already chosen the best response.1
@jazy i think you forgot to distribute the minus sign
 one year ago
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