Question

if M= 3 find the value of
1) 3m² -2m -7​

Answer 1

Answer:

52

Step-by-step explanation:

representing M value in equation

${3(3)}^{2} - {2(3)}^{2} - 7$

$× {9}^{2} - {6}^{2} - 7$

$81 - 36 - 7$

$52$

I hope it helps you if not I am sorry

Answer 2

If m= 3 , value of 3m² - 2m - 7

Therefore , 3m²-2m-7

=3(3)² - 2(3)- 7

= 3 × 9 - 6 - 7

= 27 - 6 - 7

= 20 - 6

= 14

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