Math

QuestionChoose expressions equivalent to (3y2)(4y+6)(-3y - 2) - (-4y + 6). Options: 2+4y63y-2 + 4y - 6 - 3y, 8y+1-8y + 1, 7y-7y, y8y - 8.

Studdy Solution

STEP 1

Assumptions1. We are given the expression (3y)(4y+6)(-3 y-)-(-4 y+6). We are asked to find the expressions equivalent to the given expression

STEP 2

First, we need to simplify the given expression. To do this, we distribute the negative sign to the terms in the second parentheses.
(y2)(4y+6)=y2+4y6(- y-2)-(-4 y+6) = - y -2 +4 y -6

STEP 3

Next, we combine like terms in the expression.
3y2+y6=y8-3 y -2 + y -6 = y -8

STEP 4

Now, we compare this simplified expression with the given options.
1. 2+4y6+3y-2+4 y-6+-3 y This expression is equivalent to the given expression after rearranging the terms.
2. 8y+1-8 y+1 This expression is not equivalent to the given expression.
3. 7y-7 y This expression is not equivalent to the given expression.
4. y8y-8 This expression is equivalent to the given expression.

So, the expressions equivalent to (3y2)(4y+6)(-3 y-2)-(-4 y+6) are 2+4y6+3y-2+4 y-6+-3 y and y8y-8.

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