Subtract and simplify. (y2−3y−5)−(−y2−7y+4) *Both Y's with no variable are squared

asked Apr 25, 2019 56.6k views

3 votes

Subtract and simplify.

(y2−3y−5)−(−y2−7y+4)
*Both Y's with no variable are squared

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3 votes

Answer:

=(y2-3y-5)-(-y2-7y+4)

=y2-3y-5+y2+7y-4

=2y2+4y-9

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3 votes

=(y2-3y-5)-(-y2-7y+4)
=y2-3y-5+y2+7y-4
=2y2+4y-9

Hope this helps! :)

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