12a-3b2, when a=9,b=4

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Jay Borseth asked Nov 19, 2022

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12a-3b2, when a=9,b=4

Mathematics
college

Jay Borseth asked Nov 19, 2022

by Jay Borseth

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21 votes

Answer:

Explanation:

Just substitute the value

$12\cdot (9) - 3 \cdot(4)^2 = \\108 - 48 =60$

Jleft answered Nov 22, 2022

by Jleft

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14 votes

Answer:

$12a - 3 {b}^(2) = 12(9) - 3 {(4)}^(2) \\ = 108 - 48 \\ = 60$

GeorgDangl answered Nov 23, 2022

by GeorgDangl

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