Question

Simplify 3x(4x-5)+3 and find its value for (1)x=0 (2)x=3

Answer 1

(I)

3×0(4×0-5)+3

0(-5)+3

0+3

3

(I)

3×3(4×3+5)+3

9×17+3

186

Answer 2

Answer:

3&15/2

Step-by-step explanation:

when x=0

=3*(4*0-5)+3

=0+3

=3

when 2x=3 x=3/2

=3*3/2(4*3/2-5)+3

=9/2(6-5)+3

=9/2(1)+3

=9/2+3

=(9+6)/2

=15/2