3y(2y-7)-3(y-4)-63 for y=-2
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2
Answer:
21
Step-by-step explanation:
=6y²-21y-3y+12-63
=6y²-24y-51
Substitute y=-2
=6(4)-24(-2)-51
=24+48-51
=21
Answered by
1
this is another method
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thnxxx...
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