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stepladder [879]
3 years ago
12

Simplify the following equation

Mathematics
2 answers:
goblinko [34]3 years ago
7 0
First get rid of the last set of () by doing distributive property with the - sign

x^2 + 2x -1 - x^2 + 2x -1
=4x - 2
abruzzese [7]3 years ago
4 0
(x² + 2x - 1) - (x² - 2x + 1)

Add like terms.

(x² - x²) + (2x + 2x) + (-1 - 1)

Simplify.

4x - 2

So, the answer is the THIRD CHOICE.

~Hope I helped!~
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