Simplify and then evaluate for y = -2
3y(2y-7) - 3(y-4) – 63
Answers
Answered by
3
Answer:
141............. ..
Step-by-step explanation:
3y(2y-7)-3(y-4)-63
6y^2-21y-3y+12-63
6y^2-24y-51
y=-2
[6×(-2)]^2-24×(-2)-51
-12^2-(-48)-51
144+48-51
192-51
141.
Answered by
0
Answer:
141
Step-by-step explanation:
3y(2y-7)-3(y-4)-63
6y^2-21y-3y+12-63
6y^2-24y-51
y=-2
[6×(-2)]^2-24×(-2)-51
-12^2-(-48)-51
144+48-51
192-51
141.
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