Which equation has the correct sign on the product?

1 answer:

6 0

C. 25(-5) = 125 this is the answer

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Nadusha1986 [10]

We will use the FOIL method to solve this.

(7x-7)(x+1)

Multiply 7x by x. Then, multiply 7x by 1. Then, multiply -7 by x. Then, Multiply -7 by 1.

$7x^{2} + 7x - 7x -7$

Now, we need to simplify by combining like terms.

$7x^{2} -7$

If you look, -7x and 7x are gone. This is because they cancel each other out.

I hope this helped and maybe consider giving me brainliest :)

5 0

3 years ago

tiny-mole [99]

It would be 6/15 or 2/5

3 0

3 years ago

Nastasia [14]

Note: On the unit circle, P (x, y) = (cos(t), sint(t))
Terminal point of t = 10pi/3 is <span>( -1/2, -sqrt(3)/2)</span>

5 0

3 years ago

scoundrel [369]

Answer: I believe x=10

7 0

3 years ago

Arturiano [62]

Answer:

(-18) + (-2) = -20

Step-by-step explanation:

arrow is moving from -18 to -20.

3 0

2 years ago