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3 years ago

Write an equivalent expression for –2x+7

Mathematics

1 answer:

kiruha [24]3 years ago

4 0

Step-by-step explanation:

This expression is in its simplest form.

We can only expand them:

-2x + 7 = 3x - 5x + 7

-2x + 7 = x - 3x + 9 - 2

-2x + 7 = -x - x + 3 + 4

....

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wolverine [178]

Option C: $\frac{x^{2}-9}{x^{2}-4}$ is the product of the rational expression.

Explanation:

The given rational expression is $\frac{x+3}{x+2} \cdot \frac{x-3}{x-2}$

We need to determine the product of the rational expression.

<u>Product of the rational expression:</u>

Let us multiply the rational expression to determine the product of the rational expression.

Thus, we have;

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Let us use the identity $(a+b)(a-b)=a^2-b^2$ in the above expression.

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