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2 votes
(-x^3-x)+(6x^2+6x-7)

2 Answers

6 votes

Answer: -( x³ - 6x² - 5x - 7 )

Explanation:

(-x³ - x) + ( 6x² + 6x + 7 )

Open all the brackets and add

-x³ - x + 6x² + 6x + 7

-x³ + 6x² +6x - x + 7

-x³ + 6x² + 5x + 7

-( x³ - 6x² - 5x - 7 )

User Lincr
by
5.9k points
3 votes

In this question, you would be simplifying.

Simplify:

(-x³- x) + (6x² + 6x - 7)

-x³- x + 6x² + 6x - 7

-x³ + 6x² + 5x - 7

You can't simplify any further, so your answer would be:

-x³ + 6x² + 5x - 7

Answer:

-x^3 + 6x^2 + 5x - 7

User Gerald T
by
6.3k points