factorise 3x4+4x3-57x-18x-40
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Answer:
- 51x - 40 or 3x⁴ + 4x³ - 75x - 40
Question:
3x⁴ + 4x³ - 57x - 18x - 40
Step-by-step explanation:
→ 3x × 4 + 4x × 3 - 57x - 18x - 40
→ (3x × 4) + (4x × 3) - 57x - 18x - 40
→ 12x + 12x - 57x - 18x - 40
→ (12x + 12x) + (- 57x - 18x) - 40
→ 24x - 75x - 40
→ - 51x - 40
OR
→ 3x⁴ + 4x³ - 57x - 18x - 40
→ 3x⁴ + 4x³ - 75x - 40
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