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A B C or D? Multiple choice please help
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A B C or D? Multiple choice please help

A B C or D? Multiple choice please help-example-1
User Khurram Aziz
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1 Answer

3 votes

Answer: a

Explanation:

(6z³+3z²-4z+8) - (4z²-3z+2)

all of the numbers in the second set of parenthesis are going to have their signs switched so...

(6z³+3z²-4z+8) + (-4z²+3z-2)

now you add the two sets of parenthesis

6z³ - z² - z + 6

User DotNetRussell
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