Question

(a-b)^2=(a+b)^2+_____​

Answer 1

Answer:

(a-b)^2=(a+b)^2 + (-2ab)

Answer 2

Answer:

4ab

Step-by-step explanation:

(a-b)²=a²-2ab+b²

(a+b)²=a²+2ab+b²

(a+b)²-(a-b)²=4ab

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