Math, asked by lovelyboy555, 9 months ago

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

Answers

Answered by prajjwalsingh24

8

Answer:

66

Step-by-step explanation:

Acc. to ques.

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

=9*7+3

=63+3

=66

pls mark brainliest

Answered by lokesh298

6

Step-by-step explanation:

3a (4a-5) + 3

= 12a^2 - 15a + 3

= 12(3)^2 - 15(3) + 3

= 12(9) - 45 +3

= 108 - 42

= 66

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