Examples with solutions for Difference of squares: More than one factorization

Exercise #1

(x+3)(x3)=x2+x (x+3)(x-3)=x^2+x

Video Solution

Answer

x=9 x=-9

Exercise #2

(x1)(x+1)(x2)=2x2x3 (x-1)(x+1)(x-2)=-2x^2-x^3

Video Solution

Answer

x=2 x=2

Exercise #3

(x+1)(x1)(x+1)=x2+x3 (x+1)(x-1)(x+1)=x^2+x^3

Video Solution

Answer

x=1 x=-1