Question

Simplify the expression and evaluate 3y ( 2y – 7 ) – 3 ( y – 4 ) – 63 for y = ( – 2 )​

Answer 1

Answer:

Solve 3y(2y−7)−3(y−4)−63 for y=−2

First simplify it,

=6y

2

−21y−3y+12−63

=6y

2

−24y−51

Put y=−2

=6(−2)

2

−24(−2)−51

=6×4+48−51

6×4+48−51

24+48−51

=21

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