What is the value of the expression when x = 3, y = 5, and z = -4?

Answer:
7 x ^2 y - 3 z
= 7 * (3)^2 * 5 - 3 * - 4
= 7 * 9 * 5 + 12
= 315 + 12
= 327
it's answer is D 327
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