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Simpifly (-5x2 - 3x - 7) + (-2x3 + 6x2 - 8)

User Josh Bond
by
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2 Answers

4 votes

Answer: -2x^3+x^2-3x-15

Explanation:

As there is only addition and subtraction here, and the two groups of parenthesis are added, you can ignore the parenthesis.

Thus, simply combine like terms to get.

-2x^3+x^2-3x-15

Hope it helps <3

User Axelbrz
by
6.5k points
3 votes

Answer:

-2x³ + x² - 3x - 15

Explanation:

Simply combine like terms together:

-5x² - 3x - 7 - 2x³ + 6x² - 8

-2x³ + (-5x² + 6x²) - 3x + (-7 - 8)

-2x³ + x² - 3x + (-7 - 8)

-2x³ + x² - 3x - 15

User Tgpfeiffer
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6.4k points