3y³-2y²-7y+5,6-4y+y³-5y²,4y²-5y³+6y-10
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Answered by
3
Answer:
a=−1,b=−2
2a−2b−4−5+a
3a−2b−9
3(−1)−2(−2)−9
=−3+4−9
=−12+4
=−8
Answered by
2
Answer:
a=-1,b=-2
2a-2b-4-5+a
3a-2b-9
3(-1)-2(-2)-9
=-3+4-9
=-12+4
=-8
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