simplify x³ - 2 x² + 4 x -(- 5x)²
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Answer:
x³ + 4x + 23x²
Step-by-step explanation:
= x³- 2x³+4x - (-25x²)
= x³ - 2x² + 4x +25x²
= x³ + 4x + 23x²
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