Answer:
D. 3x² + 19x - 14
Step-by-step explanation:
Use FOIL to find the answer.
First: x * 3x = 3x²
Outer: -2 * x = -2x
Inner: 3x * 7 = 21x
Last: 7 * -2 = -14
Form the equation:
3x² - 2x + 21x - 14
Combine like terms.
3x² + 19x - 14
Take the numerator of the fraction and factor it out.

Your fraction should now look like this:

Because (x+4) is present in both the numerator and denominator, you can cross it out. You should be left with
only (x-1) in the numerator.
x cannot equal -4, as if it is inputted in the denominator, -4 + 4 would equal 0. Dividing by 0 is impossible.
Answer:
21
Step-by-step explanation:
15/ 5/7 = 21
A=54. And 24+30=54. So the answer is A
Answer:
The 4th graph.
Step-by-step explanation:
Its a horizontal line which indicates that x is known and the line begins over 2.