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Flura [38]
3 years ago
12

Simplify (x-5)(x^2-2x-6)

Mathematics
1 answer:
spin [16.1K]3 years ago
6 0

Answer:

x³ - 7x² + 4x + 30

Step-by-step explanation:

Each term in the second factor is multiplied by each term in the first factor, that is

x(x² - 2x - 6) - 5(x² - 2x - 6) ← distribute both parenthesis

= x³ - 2x² - 6x - 5x² + 10x + 30 ← collect like terms

= x³ - 7x² + 4x + 30

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Answer:

Step-by-step explanation:

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8 0
3 years ago
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3 years ago
Write f(x) in a non-factored way from polynomial equation f(x)=(x+2)(-x+3)(x-2)?
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Answer:

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Step-by-step explanation:

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Step 1. Use the difference of two squares

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f(x) = (-x + 3)(x² - 4)

Step 2. Long multiplication

x² - 4

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<u>      + 3x²         - 12</u>

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