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Simplify: 42x^7-(-11x^7)

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Simplify: 42x^7-(-11x^7)

asked Mar 25, 2021 48.5k views

2 votes

Simplify: 42x^7-(-11x^7)

Mathematics
high-school

Danbahrami asked

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2 Answers

5 votes

53x^7 is the answer.
Since two negatives equal a positive 42 +11 = 53, so just add the exponent back which would be 53x^7.

Llaffin answered Mar 26, 2021

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3 votes

Answer: 53x^7

Explanation:

Subtracting a negative is like adding.

Garethr answered Mar 29, 2021

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