Question

Combine the like terms in the expression. Drag the item from the item bank to its corresponding match.

−12x4 + 7x3 + 6x4 − 2x3 add answer

−5x3 + 7x4 + 4x4 − 8x3 add answer

−2x4 − 10x3 + 4x4 − 2x3 add answer

15x3 − 15x4 + 13x4 − x3 add answer

7x4 − 15x3 + 12x3 − 2x4 add answer

Answer:
11x^4 − 13x^3
14x^3 − 2x^4
2x^3 − 12x^3
5x^3 − 6x^4
5x^4 − 3x^3


Please don't guess!

Answer 1

We will solve each expression step by step:


Expression 1:
-12x4 + 7x3 + 6x4 - 2x3
x4 (-12 + 6) + x3 (7-2)
-6x4 + 5x3
Answer:
5x ^ 3 - 6x ^ 4

Expression 2:
-5x3 + 7x4 + 4x4 - 8x3
x4 (7 + 4) + x3 (-5-8)
11x4 - 13x3
Answer:
11x ^ 4 - 13x ^ 3

Expression 3:
-2x4 - 10x3 + 4x4 - 2x3
x4 (-2 + 4) + x3 (-10-2)
2x4 - 12x3
Answer:
2x ^ 4 - 12x ^ 3

Expression 4:
15x3 - 15x4 + 13x4 - x3
x4 (-15 + 13) + x3 (15-1)
-2x4 + 14x3
Answer:
14x ^ 3 - 2x ^ 4

Expression 5:
7x4 - 15x3 + 12x3 - 2x4
x4 (7 - 2) + x3 (-15 + 12)
5x4 - 3x3
Answer:
5x ^ 4 - 3x ^ 3