Question

factorise by splitting the middle term method. x²+13x-168​

Answer 1

$\large{\sf{SOLUTION}}$

x² + 13x - 168

=x² + 21x - 8x -168

= x(x+21) -8(x+21)

= (x-8) (x+21)

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Answer 2

Step-by-step explanation:

=x2+13x-168

=x2+21x -8x-168

=x(x+21) -8(x+21)

=(x+21)(x-8)

x= -21 or x=8