Sagot :
Using the foil method. x(x)+ (-4x+5x)+(-4)(5)
You will get the answer x²+x-20 :)
You will get the answer x²+x-20 :)
FOIL Method is the best method to find the answer were F=x^2,O=5x,I=-4x,L=-20 Combine like terms so the answer is x^2+1x-20