Question

2. Simplify : 3y (2y – 7) -3 (y – 4 ) – 63 for
i) y = -2
ii) y=0

Answer 1

Answer:

Here is your answer with procedure

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Answer 2

Answer:

21 and 51 is your answer

Explanation:

6y² -21y -3y+12-63=0

6y²- 24y - 51=0 -------- eqn 1

1. Evaluating y = -2 in eqn 1

6(4) - 24(-2) - 51=0

24 + 48 -51= 21

2. y=0

6(0) - 24(0) =51