Question

check my answer

Answer 1

Subtract (5x2 + 3) -(2x2 + 4x - 12).

3x2 - 4x + 15
3x2 + 4x + 15 <--- my choice
3x2 - 4x - 9
3x2 + 4x - 9

Answer 2

@ganeshie8 @Ganpat

Answer 3

@cwrw238

Answer 4

but i also think its A

Answer 5

@Abhisar

Answer 6

3x2 +4x +15

Answer 7

So, your correct

Answer 8

do you mind showing your work?

Answer 9

Just open up the bracket and then solve..

(5x2 + 3) -(2x2 + 4x - 12)
5x2 + 3 - 2x2 -4x +12

negative sign is applied to all the terms inside the bracket..

Answer 10

^^ @Ganpat is right

Answer 11

so then it would be A?

Answer 12

because the 12 and 3 go together then 5x2 and the -2x2 go together meaning 3x2 - 4x + 15

Answer 13

yupp..

because - and + becomes -
while, - and - becomes +

Answer 14

okay i got one more question do you mind helping me on it?

Answer 15

A company makes video games. The price of a video game is modeled by the function p(x) = 30x + 2, where x is the number of years since the company started producing games. The number of video games they sell is modeled by the function s(x) = 500x + 250. To find the total revenue from their video games, the company should use what operation on the polynomials?

Addition
Subtraction
Multiplication
It cannot be determined

Answer 16

what do you say ?

Answer 17

i was thinking multiplication but i'm honestly going towards D

Answer 18

Total revenue = total sales * price per sale...

Answer 19

so multiplication?

Answer 20

yup.. total games sold * price per game..

Answer 21

i asked this question earlier and someone said it cannot be determined im so confused

Answer 22

I'll just go with multiplication because that person said there not sure and you seem sure

Answer 23

THANK YOU SO MUCH THE ANSWER WAS MULTIPLICATION thank you!