XP Math - Forums - View Single Post - Custom Algebra Teaser.. Answer this pls..?

07-25-2007

x^2+a(a-2x)=a^2+x(x-2a)=> x^2+a^2-2ax=a^2+x^2-2ax=> x^2-x^2-2ax+2ax=0=> x(x-x+2a-2a)=0Therefore, this equation will be zero if x=0. THerefore, x=0 is a solution for this equation.

07-25-2007	#3
ASD Guest Posts: n/a	x^2+a(a-2x)=a^2+x(x-2a)=> x^2+a^2-2ax=a^2+x^2-2ax=> x^2-x^2-2ax+2ax=0=> x(x-x+2a-2a)=0Therefore, this equation will be zero if x=0. THerefore, x=0 is a solution for this equation.