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What is the value of the expression below when z, equals, 3z=3?

10, z, squared, plus, 4, z, plus, 9
10z
2
+4z+9

1 answer

To find the value of the expression, substitute the value of z in the given equation.

When z = 3,
10(3)^2 + 4(3) + 9
10(9) + 12 + 9
90 + 12 + 9
111 + 12
123

So, the value of the expression when z = 3 is 123.
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