Question

solve (1) 1-2ab-(a^2 + b^2)
(2) 25a^2 - 35a + 12
(3) x(x+z) - y(y+z)

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PLEASE SOLVE IT! IT IS URGENT!​

Answer 1

1). 1-2ab-(a²+b²)

=1-(2ab+a²+b²)

=1-(a+b)²

We know that x²-y²=(x-y)(x+y)

In the equation we got, x=1 and y=(a+b)

1²-(a+b)²=(1-a-b)(1+a+b)

Hope you find this answer helpful.

2). (52a2 -  35a) +  12

     25a2-35a+12

     25a2 - 20a - 15a - 12

     (5a-3)  •  (5a-4)

Answer 2

Answer:

Refer the attachment....