Question

Simplify the following expression.
2x - 8y + 3x^2 + 7y - 12x
Answer Choices:
3x^2 - 14x - y

3x^2 - 10x - y

3x^2 - 10x - 15y

3x^2 + 10x - y

Answer 1

3x^2-y-10x

Answer 2

you need to group the like terms

Answer 3

Answer Choices:
3x^2 - 14x - y

3x^2 - 10x - y

3x^2 - 10x - 15y

3x^2 + 10x - y

Answer 4

now This Is Just Hard For Me

Answer 5

the second one

Answer 6

you need to group like terms.

Answer 7

okay thnxs

Answer 8

like terms: same exponent and variable

Answer 9

Now This One
Evaluate the following expression using the values given.
Find 4x - 2y if x = -1 and y = -2

0

8

-8

2

Answer 10

plug in the values given

Answer 11

4(-1) - 2(-2)
-4+4
0