Mathematics
joinervictoria
13

Express the product of 2x^2+6x-8 and x+3 in standard form

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(1) Answers
MorganTyyler

The answer is  2x³ + 12x² + 10x - 24 (2x² + 6x - 8)(x + 3) = x(2x² + 6x - 8) + 3(2x² + 6x - 8) =                                 = 2x³ + 6x² - 8x + 6x² + 18x - 24 =                                 = 2x³ + (6x² + 6x²) + (-8x + 18x) - 24 =                                 = 2x³ + 12x² + 10x - 24

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