Question

factorize following questions:25(x+y)²-36(x-2y)²​

Answer 1

Step-by-step explanation:

25x^2+25y^2+50xy-36x^2-144y^2-144xy

=-11x^2-119y^2-94xy.....

Answer 2

Answer:

ANSWER

25(x+2y)

2

−36(2x−5y)

2

⇒25(x

2

+4xy+4y

2

−36(4x

2

−20xy+25y

2

)

⇒25x

2

+100xy+100y

2

−144x

2

+720y−900y

2

⇒−119x

2

+820xy−800y

2

⇒−119x

2

+680xy+140xy−800y

2

⇒−17x(7x−40y)+20y(7x−40y)

⇒(17x−20y)(40y−7x)