Math, asked by chhotisawan, 1 month ago

Simplify: 3a(4a - 7) + 10 and find its value for a = 2

Answers

Answered by sanjiv39

1

Answer:

16

Step-by-step explanation:

3a(4a-7) +10

3a×4a-3a×7+10

12a²-21a+10. ( this is a quadratic equation , its solution can be found....but it is in class 10)

Putting a = 2

12×2²-21×2+10

12×4- 42+10

48 - 42 +10

48 +10 -42

58-42

16

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