Question

Subtract and simplify:



(3x2 + 5x – 4) – (2x2 – 7x – 1)



A.


5x2 – 2x – 3


B.


x2 + 12x – 3


C.


–x2 + 12x – 5


D.


–x2 – 2x – 3

Answer 1

@pinkbubbles

Answer 2

is this the question? \[(3x^2+5x-4)-(2x^2-7x-1)\]

Answer 3

yes it is :)

Answer 4

okay! :)

Answer 5

Stack the too equations and work it out.

3x^2 + 5x - 4
- 2x^2 - 7x - 1

what do you get by subtracting those two?

Answer 6

remember subtracting the x's does not get rid of them, for example: 3x^2 - 2x^2 = x^2

Answer 7

\[x^2 + 12x - 3\]

Answer 8

(((3•(x2))+5x)-4)-(((2•x2)-7x)-1)

Answer 9

Raise x to the 2nd power

Answer 10

so it is B ok

Answer 11

\[(((3 • x^2) + 5x) - 4) - (2x^2 - 7x - 1)\]

Answer 12

Yes! c:

Answer 13

yes it is :)

Answer 14

\[3x^2+5x-4 - 2x^2-7x-1\]

Answer 15

Anyways you get it right? :)

Answer 16

and thank you as well @yungjvke

Answer 17

HEY PINK I DID IT i did the 2 medal thing lol

Answer 18

YAY! i wonder if other people know how to do it?