Question

Q1. Simplify 3x (4x-5) and find the value for
x = 3​

Answer 1

Answer:

3x(4x−5)+3=12x2−15x+3

x=3 gives the value 12(9)−15×3+3

                                          =108−45+3

                                          =66

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Answer By

Answer 2

Answer:

63

Step-by-step explanation:

12x sq. -15x

12×3×3-15×3

according to bodmas rule

108-45

63