Multiply : - (2y3 – y2 – y + 4) x (y – 1)
Please tell me the answer fast, now
I have my homework due
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2y1 should be the answer
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Answer:
-4y+4
Step-by-step explanation:
-(2y3-y2-y+4)(y-1)
=(-2y3+y2+y-4)(y-1) (changing signs)
= y(-2y3+y2+y-4) -1(-2y3+y2+y-4)
= (-2y4+y3+y2-4y)+(2y3-y2-y+4)
= 2y -y -y +4 -4y
= 2y-2y +4-4y
= -4y+4
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