Math, asked by anshhanji, 7 months ago

Simplify the expression 3y(2y-7)-3(y-4) for y = -3

Answers

Answered by hukam0685
1

Step-by-step explanation:

Given that:

3y(2y-7)-3(y-4) for y = -3

To find: Simplification of expression

Solution:

For simplification of expression,for y=-3

put the value of y in expression

3y(2y - 7) - 3(y - 4) \\  \\  = 3( -3 )(2 \times ( - 3) - 7) - 3( - 3 - 4) \\  \\  =  - 9( - 6 - 7) - 3( - 7) \\  \\  =  - 9( - 13) + 21 \\  \\  = 117 + 21 \\  \\  = 138 \\  \\

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