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.

Now, we need to simplify by combining like terms.

If you look, -7x and 7x are gone. This is because they cancel each other out.
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Answer:
3
5
49
289
15625
just find the answer of each and then divide em by each other
ex:
= 81 and
= 27
81 divided by 27 equals 3
ANSWER
The solution is

EXPLANATION
The given equations are:

and

We multiply equation 1 by 3 to get,

We multiply equation 2 also by 2 to get,

We subtract equation 4 from equation 3 to get,

This implies that,

We put this value of y into any of the equations say equation 2

Simplify

Group like terms

Simplify,

Divide both sides by 3 to get,

Therefore the solution is

The correct answer is option D.
Answer:
Step-by-step explanation:
the polynomial function is; (x - i)(x-2)(x+2)
If the 3 is supposed to be replaced by any x's, then the answer would be 29 I believe.