Question
Take away $– 3x^3 + 4x^2 – 5x+ 6$ from $3x^3 – 4x^2 + 5x – 6$
✓
Answer
$3x^3 – 4x^2 + 5x – 6$
$– 3x^3 + 4x^2 – 5x + 6$
$+ – + –$
$6x^3 – 8x^2 +10x – 12$
$– 3x^3 + 4x^2 – 5x + 6$
$+ – + –$
$6x^3 – 8x^2 +10x – 12$
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