Question

Choose the correct simplification of (3a2 + 8a − 4) + (5a2 − 4).

Answer 1

@Chelsea04

Answer 2

3a^2+5a^2=8a^2
8a=8a
-4-4=-8

put these all together and get 8a^2+8a-8

Answer 3

thnx

Answer 4

Choose the correct simplification of (3x3 + 2x2 − 5x) − (8x3 − 2x2).

Answer 5

@Chelsea04

Answer 6

3x2-8x3=
2x2+2x2=
-5x=

try it yourself

Answer 7

3x3-8x3 is the first one sorry, typo

Answer 8

do i times it or minus?

Answer 9

you do 3-8 and then add the x3 at the end

Answer 10

-5x3

Answer 11

yea :)
now try the second one

Answer 12

can u write it out?

Answer 13

@Chelsea04

Answer 14

2x2+2x2=
2+2 x2

Answer 15

4x?

Answer 16

4x2

Answer 17

so the full answer is: -5x3+4x2-5x
yea?

Answer 18

thank you

Answer 19

np