8. Find the value of -3x2 + 4x - 12, if x = -2
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Answer:
The value of the given mathematical expression is -26
Step-by-step explanation:
For x = -2
(-3) ×2 + 4x - 12
= (-3) × 2 + 4 × (-2) - 12
= -6 -8 -12
= - 26
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