The value of the expression -3x( 4x-x²) for x = -3 is
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Answer:
= - 189
Step-by-step explanation:
Given,
x = -3
solution,
-3x( 4x-x²)
= -3× (-3) {4× (-3) - (-3)²}
= 9 ( -12 - 9)
= 9× (-21)
= -189
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