Math, asked by hometiwari104, 9 months ago

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Answered by kumarpankaj69848
0

Answer:

the answer of this question is-21

Answered by sam57875
0

Answer:

=3y(2y-7) - 3 (y-4) -63

=6y^2-21y-3y-12-63

=6y^2-24y-51

then putting y = -2

=6(-2)^2-24 (-2)-51

=6×4(-24 ×-2)-51

=24+48 -51

=72-51

= 21

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