Question

factorize
1. ab(c²+d²)–a²cd–b²cd
2. ab (x²+y²)+xy(bx–ay)²
3. ab(x²+y²)–xy (a²+b²)

Answer 1

1. Factorab(c2+d2)−a2cd−b2cd

−a2cd+abc2+abd2−b2cd

=(−ad+bc)(ac−bd)

Answer:

(−ad+bc)(ac−bd)

2. Factorab(x2+y2)−xy(a2+b2)

−a2xy+abx2+aby2−b2xy

=(−ay+bx)(ax−by)

Answer:

(−ay+bx)(ax−by)

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Answer 2

Hope it helps you Please mark me as the brainliest  Are you sure that the second question is correct