3 years ago

4x2 + 4x - 2y2 +3y, when x is equal to -2 and y is equal to 3?

Mathematics

1 answer:

dybincka [34]3 years ago

6 0

Step-by-step explanation:

simplify to:

8x + 4x - 4y + 3y

combine like terms:

12x - 1y

replace variables:

12(-2) -1(3)

multiply:

-24 - 3

simplify:

-27

You might be interested in

A stick was broken into two pieces. The length of the first piece is 28 cm more than the second piece. The total length of the t

Reika [66]

84 cm because you HAVE to add them together.

6 0

2 years ago

Idk what to do.... please help!

joja [24]

The equation for the expression is M-4=A Because it says Amy is 4 years younger than Marty

4 0

3 years ago

Read 2 more answers

Find the measure of an<br> exterior angle of a regular<br> polygon with 18 sides.

Elenna [48]

Answer:

compute its exterior angle as 360/18, which is 20 degrees

Step-by-step explanation:

8 0

2 years ago

Rebecca leaves home to go to work. She walks the first 5 minutes and then increases her speed until she gets to work. Which grap

VashaNatasha [74]

Answer:

Step-by-step explanation:

I believe that this is the answer.

8 0

3 years ago

Read 2 more answers

Which number line represents the graph of the solution to the inequality 27 + 4.5x 2 81?

devlian [24]

Answer: =27+1264.5x

Step-by-step explanation: It bascially explains itself

3 0

3 years ago