Question

Add: (3x4 + x2 + 2) + (9x4 - x2 + x)

Answer 1

50+x

Answer 2

Thats not an answer choice . the answer choices are
12x8 + x4 + x + 2
12x8 + x + 2
12x4 + x + 2
27x4 - x2 + x + 2

Answer 3

I think its the second one but i might be wrong

Answer 4

unless your 3x4 is actually 3x^4 and your 9x4 is 9x^4

Answer 5

yeah its what you said

Answer 6

ok then it is the third one

Answer 7

collect the like terms

(3 + 9)x^4 + ( 1-1)x^2 + x + 2

just simplify the above.

Answer 8

C) 12x4 + x + 2 ............... correct answer

Answer 9

12x^4+x+2