Simplify: 7y ( y²+ 2y− 3) − 3y ( y+ 6). Evaluate the result for y= −1.
Answers
Answered by
1
Answer:
42
Step-by-step explanation:
7y^3 + 14y^2- 21y-3y^2-18y
-7+13+21-3+18
42
Answered by
0
answer will be 43 by putting the value of y as -1
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