Question

Please help me
Please anyone solve this​

Answer 1

Answer:

3×(5x-8)+12

15x-24+12

15x-12

at x=3

15(3)-12

45-12

33

Answer 2

Answer:

3x (5x - 8)+12 =(3x×5x - 3x × 8 )+12=( 15 x^2 - 24x ) + 12= 15 x ^2 -24x+12

if x=3 then 15× 9 -72+12 = 135 -72 +12=63+12=75