How do you simplify #x^ { 2} + 5x - 3+ x ^ { 2} - 5#?

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Answer 1 · 2017-09-29T21:52:57

See a solution process below:

First, group like terms:

#x^2 + x^2 + 5x - 3 - 5#

Now, combine like terms:

#1x^2 + 1x^2 + 5x - 3 - 5#

#(1 + 1)x^2 + 5x + (-3 - 5)#

#2x^2 + 5x + (-8)#

#2x^2 + 5x - 8#