Question

a^2+b^2 -c^2-d^2 +2ab-2cd​

Answer 1

(a^2+b^+2ab)-(c^2+d^2+2cd)

(a+b)^2-(c+d)^2

Answer 2

Answer:

(a+b+c+d)(a+b-c-d)

Explanation :

a²+b²-c²-d²+2ab-2cd

= (a²+b²+2ab)-(c²+d²+2cd)

=(a+b)² - (c+d)²

= [(a+b)+(c+d)][(a+b)-(c+d)]

= (a+b+c+d)(a+b-c-d)

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