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Subtract (3x +6) from the sum of (7x² + 8x+4) and (8x? + 9x - 2) The answer is (Simplify your answer. Do not factor.)

Subtract (3x +6) from the sum of (7x² + 8x+4) and (8x? + 9x - 2) The answer is (Simplify your answer. Do not factor.)
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Subtract (3x +6) from the sum of (7x² + 8x+4) and (8x? + 9x - 2) The answer is (Simplify your answer. Do not factor.)

User Chris Claude
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1 Answer

1 vote

We can write this expression as:


\begin{gathered} \lbrack(7x^2+8x+4)+(8x^2+9x-2)\rbrack-(3x+6) \\ (15x^2+17x+2)-(3x+6) \\ 15x^2+17x-3x+2-6 \\ 15x^2+14x-4 \end{gathered}

Answer: 15x^2 + 14x - 4

User Wbennett
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8.7k points
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