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QUICK! WHAT IS THIS ANSWER?

QUICK! WHAT IS THIS ANSWER?-example-1
User Aiuspaktyn
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1 Answer

4 votes

Answer:

a)2x-3y

b)4(9a-4)

Explanation:

a)

we want to expand the following expression:


\displaystyle - (1)/(4) ( - 8x + 12y)

well to do so we consider distributive property thus distribute:


\displaystyle - (1)/(4) (- 8x )+ - (1)/(4)( 12y)

reduce fraction which yields:


\displaystyle - (1)/(4) (- 8x )+ - (1)/(4)( 12y) \\ \\ \displaystyle 2x + ( - 3y)

simplify Parentheses:


\displaystyle \boxed{ 2x - 3y}

b)

in the expression there's a common factor of 4 therefore factor it out:


\displaystyle 9.4a - 4.4 \\ \\ \displaystyle \boxed{4(9a - 4)}

User Malik Zahid
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