Question

please factorise this

Answer 1

x^2 +96 x -400 = 0

x^2 + 100 x -4x -400 = 0

x( x+100) -4( x+100) = 0

( x-4)( x+100) = 0

x= 4, -100

Answer 2

Answer:

X^2 + 100x-4x-400=0

(X^2 + 100x)-(4x+400)=0

Taking commons

X(x+100)-4(x+100)=0

(X-4)(x+100)=0

Hope it helps{••}