Question

Add (3x4 − 2x3 + 1) + (12x4 + x2 − 11). (1 point)


15x4 − x3 − 10
15x4 − x2 − 10
15x4 − 2x3 + x2 + 10
15x4 − 2x3 + x2 − 10

Answer 1

need a walk through?

Answer 2

yes please

Answer 3

anyone?

Answer 4

sorry i was taking notes

Answer 5

i'm here to help walk you through

Answer 6

thnks

Answer 7

yup okay so first, do the multiplication inside the parentheses, but remember, the 2 in 2x3 is negative

Answer 8

ok

Answer 9

so after you do that, you combine all the numbers in the parentheses
then you add the sums that are in the 2 sets of parentheses together
do you understand it now?

Answer 10

kinda math isnt my friend

Answer 11

math is nobody's friend

Answer 12

nope

Answer 13

so the answer is d

Answer 14

yup!

Answer 15

thanks

Answer 16

no problem!

Answer 17

i have a few more if u want to help

Answer 18

sure

Answer 19

Subtract (5x2 + 3) −(2x2 + 4x − 12).

Answer 20

3x2 − 4x + 15
3x2 + 4x + 15
3x2 − 4x − 9
3x2 + 4x − 9

Answer 21

okay so same thing as before, but this time, you need to distribute the negative that's outside of the second set of parentheses
basically, because of that negative, you have to multiply everything inside of that 2nd set of parentheses by -1 before anything else

Answer 22

do u add the exponents this is part of a dif qu

Answer 23

@the_ocean_girl help please