Question

(a+b) × (c-2d) + (a-b) × (c+2d) + 4 × (ac + bd)​

Answer 1

Answer:

ans=(a+d)×(c-2d)+(a-b)×(c+2d)+4ac+4bd=ac×(-2d)2+ac×(-2b)2+4ac+4bf=2ac-16d2+4ac+4bd.

Step-by-step explanation:

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