Question

simplify 3a(4a-5)+3and find its value for a=3

Answer 1

= 3a ( 4a - 5) + 3

= a = 3

= 3 (3) { 4 (3) - 5) + 3

= 9 ( 12 - 5 ) + 3

= 9 ( 7 ) + 3

= 27 + 3

= 30

Answer 2

Answer:

= 30

Step-by-step explanation:

= 3a ( 4a - 5) + 3

= a = 3

= 3 (3) { 4 (3) - 5) + 3

= 9 ( 12 - 5 ) + 3

= 9 ( 7 ) + 3

= 27 + 3

= 30