How do you foil #(x-9)(x-2)#?

1 Answer
Mar 13, 2018

Answer:

#x^2 - 11x + 18#

Explanation:

Multiply first term in first bracket by both terms in second brackets:
#x*x - 2*x#
Multiply second term in first bracket by both terms in second brackets:
#-9*x +9*2#
Add results together:
#x*x - 2x -9x +9*2#
Simplify:
#x^2 - 11x + 18#