Question

Will medal!
@CGGURUMANJUNATH

Simplify the sum.
6. (6x^3+4x-5)+(-3x^3-7x^2+4)
a. -18x^3-7x^2+4x-1
b. 3x^3+7x^2+4x+1
c. 9x^3-3x^3+4x-9
d. 3x^3-7x^2+4x-1

Simplify the sum.
7. (5u^3+5u^2+3)+(2u^3-3u+8)
a. 3u^3-3u^2+5u-11
b. 3u^3+5u^2-3u+11
c. 7u^3+2u^2-3u+11
d. 7u^3+5u^2-3u+11

Answer 1

Do you have any ideas

Answer 2

question 6)
hint:
I can rewrite your sum as:
\[6{x^3} + 4x - 5 - 3{x^3} - 7{x^2} + 4 = ...?\]

Answer 3

?

Answer 4

6. A?

Answer 5

please add similar terms each other

Answer 6

no, what is 6x^3 - 3x^3=...?

Answer 7

d

Answer 8

I just got the answer d

Answer 9

that's right!

Answer 10

question 7)
hint:
I can rewrite your sum as:
\[5{u^3} + 5{u^2} + 3 + 2{u^3} - 3u + 8 = ...?\]

Answer 11

again, please sum similar terms each other

Answer 12

And 7 is d as well

Answer 13

Right? @Michele_Laino

Answer 14

that's right!