Question

please tell the answer and the solution​

Answer 1

Answer:

x^2+2xy-99

x^2+2xy+1-1-99

(x+1)^2-100

(x+1)^2-10^2

(x+1+10)(x+1-10)

(x+11)(x-9)

Similarly do No 5

Q1 2x^2-x-6

2x^2-4x+3x-6

(x-2)(2x+3)