Question

x$x^{2} -2x-8=???\\do the sum by split in the middle term$

Answer 1

x² - 2x - 8 = 0

x² + 2x - 4x - 8 = 0

x ( x + 2 ) - 4 ( x + 2 ) = 0

( x + 2 )( x - 4 ) = 0

x = 4 or -2

Answer 2

Answer:

(x+2)( x-4)

Step-by-step explanation:

x^2-2x -8

=x2 - 4x+2x -8

=x( x-4) +2(x-4)

=x+2)(x-4)