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25 November, 07:53

Find the numerical value of x=4 and y=5. 3x^2+6y=

+4
Answers (2)
  1. 25 November, 08:00
    0
    174

    Step-by-step explanation:

    3x^2+6y

    3 (4) ^2+6 (5)

    12^2+30

    144+30

    174
  2. 25 November, 08:23
    0
    78.

    ---

    Why?

    Replace the variables for their respective values.

    3 (4) ^2 + 6 (5)

    Then solve for 4^2.

    3 (16) + 6 (5)

    Now, solve the multiplication.

    48 + 30

    Finally, solve the addition.

    78

    78 is your answer.
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