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In-s [12.5K]
3 years ago
7

Select the expression that is equivalent to 2x3+11x2−21xx2+3x for x ≠ −3 or 0 .

Mathematics
1 answer:
4vir4ik [10]3 years ago
6 0

Answer:

\frac{(2x-3)(x+7)}{x+3}

Step-by-step explanation:

Given

\frac{2x^3+11x^2-21x}{x^2+3x}

Required

Select equivalent expression

\frac{2x^3+11x^2-21x}{x^2+3x}

Factorize the numerator and denominator

\frac{x(2x^2+11x-21)}{x(x+3)}

Divide by x/x

\frac{2x^2+11x-21}{x+3}

Expand the numerator

\frac{2x^2+14x-3x-21}{x+3}

Factorize the numerator

\frac{2x(x+7)-3(x+7)}{x+3}

\frac{(2x-3)(x+7)}{x+3}

Hence, the equivalent expression is:

\frac{(2x-3)(x+7)}{x+3}

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Drag steps of the solution into order to solve for x in the equation 6(x-5) = 54
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The steps of the solution into order to solve for x in the equation 6(x-5) = 54 are:

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  • B. 6x = 84  
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