(y+2)(y-2)=y²-4
3y²+8y-16-?=y²-14
add ? to both sides
3y²+8y-16=y²-14+?
minus y² both sides and add 14
2y²+8y-2
the quantity was 2y²+8y-2
Answer:
B. x <u>></u> 3
Step-by-step explanation:
-4x - 10 <u><</u> 2
add 10 on both sides
-4x <u><</u> 12
divide by -4
x <u><</u> 3
flip the sign because of the negative is no longer here
x <u>></u> 3
The answer to this question is the last one D
Answer:
4
Step-by-step explanation:
If you have a scientific calculator you can easily plug this into the calculator and get the answer: Below I will show you the steps to get the answer
1. (distribute the - sign to the number 2)
2. (Multiply -2 and -1)) (also subtract 3-1)
3. (Multiple -2 * -2 * -2) ( multiple 2*2)
4.
5. 4