Factor the polynomial completely 9x^3 + 30x^2 - 25x

1 answer:

7 0

9x^3 + 30x^2 - 25x

step one: find the greatest common factor (GFC)
GFC=x

step two: factor out the GFC (write the GFC first. then in parentheses, divide each term by the GFC)

x(9x^3 over x + 30x^2 over x + -25x over x)

step three: simplify each term in parentheses

x(9x^2+30x-25) ...should be the answer

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$\dfrac{2}{3} x^2 = 24$

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Divide by 2/3 on both sides :
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$x^2 = 24 \div \dfrac{2}{3}$

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Change the divide fraction to multiplication fraction :
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$x^2 = 24 \times \dfrac{3}{2}$

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Simplify :
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$x^2 = 36$

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Square root both sides :
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$x = \pm \sqrt{36}$

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Answer :
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