3 years ago

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

Mathematics

2 answers:

vodka [1.7K]3 years ago

8 0

Answer: 53x^7

Step-by-step explanation:

Subtracting a negative is like adding.

bija089 [108]3 years ago

7 0

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.

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