High School

Which expression is equivalent to [tex](5x^7 + 7x^8) - (4x^4 - 2x^8)[/tex]?

A. [tex]3x^8 + 7x^7[/tex]
B. [tex]9x^8 + 5x^7 - 4x^4[/tex]
C. [tex]12x^8 - 2x^4[/tex]
D. [tex]5x^8 + 5x^7 + 4x^4[/tex]

Answer :

Answer:

The answers for this on i think are B and D

Step-by-step explanation:

because it's asking you to Simplify

(5x7+7x8)−(4x4−2x8) to equal 91

and B and D were the correct choices because A is 71 and C was 88

the answer might be b or d

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