Simplify: (2x+y)(7x²+25)+15(x²+7+12)
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Simplify:
(2x + y)(7x² + 25) + 15(x² + 7 + 12)
= 2x(7x² + 25)+ y(7x² + 25) + 15x² + 105 +
180
= 14x³ + 50x + 7x²y + 25y +15x² + 285
= 14x³ + 15x² + 7x²y + 50x + 25y + 285
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This is the correct answer.
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