Question

Factor the following quadratic function x^2-16x+63 someone help me please :(

Answer 1

(x-7)(x-9)

Answer 2

x^2 -9x -7x +63

Answer 3

x(x-9) -7(x-9)

Answer 4

(x-7)(x-9)... get it?

Answer 5

i think so

Answer 6

-9 and -7 multiply together to get 63.

-9 and -7 add together to get -16.

Answer 7

so, you can replace the -16x with -9x and -7x

Answer 8

then all you do is group the two and factor

Answer 9

yeah thats where you confused me a bit