Give the values of A, B, and C needed to write the equation's general form. (5 + x)(5 - x) = 7

1. A = 1; B = 0; C = -18
2. A= -1; B = 0; C = 25
3. A = 25; B = 0; C = -1

Given:

The equation is:

To find:

The value of A, B and C for the equation's general form.

Solution:

We have,

Using distribution property, we get

Taking all terms on one side, we get

On comparing this equation with the general form of a quadratic equation , we get

Therefore, the correct option is 1.

d. vertex

step-by-step explanation:

if x = 1, then the answer is 3.5