Question

Simplify 3y (2y - 7) - 3 (y - 4) - 63 and evaluate the value of the expression for y= -2

Answer 1

Answer:

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Step-by-step explanation:

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

6y²-21y-3y+12-63

6y²-24y-51

6(-2)²-24×-2-51

6×4+48-51

24+48-51

21

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