Question

factorise
${x}^{2} - 9x + 20$
​

Answer 1

I hope this factorise help you.

...........

....... .......................

.....................

Answer 2

Answer:

x2-9x+20

=x2-5x+4x+20

=x(x-5)+4(x+5)

=x(x-5)-4(x-5)

=(x-5)(x-4)