Question

HELP! 70 POINTS! URGENT!
Which expression is equivalent to (5x^7+7x^8)−(4x^4−2x^8)
Question 2 options:
a) 3x^8+7x^7
b) 9x^8+5x^7−4x^4
c) 5x^8+5x^7+4x^4
d) 12x^8−2x^4

Answer 1

Answer: b

Step-by-step explanation: hope i helped

Answer 2

Combine like terms:

The answer is: b) 9x^8 + 5x^7 - 4x^4