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