Question

Q4.find value of 3x(4x-5)+3 at
X=3 *

1)66
2)67
3)55
4)56​

Answer 1

Answer:

3x(4x-5)+3= 3*3*(4*3-5)+3=9(12-5)+3=63+3=66

Answer 2

3x(4x-5)+3

3×3(4×3-5) +3 {:.putting the value of x}

9(12-5) +3

9×7+3

=63+3

=66