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 )
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:
Answer:
-x^3 + 6x^2 + 5x - 7
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