Algebra

Polynomial Factoring

Rational Expressions

         

If x=18,x=18, what is the value of x34x221xx27x?\frac{x^3-4x^2-21x}{x^2-7x} ?

If x:y=4:7,x:y=4:7, what is the value of 5x2+xy+y2x2+y2?\frac{5x^2+xy+y^2}{x^2+y^2}?

If x=13,x=13, what is the value of x2+7x8x26x+5×x24x5x2+9x+8?\frac{x^2+7x-8}{x^2-6x+5} \times \frac{x^2-4x-5}{x^2+9x+8} ?

If x3=y8=z70,\displaystyle \frac{x}{3}=\frac{y}{8}=\frac{z}{7} \neq 0, what is the value of x2+y2+z2xy+yz+zx?\frac{x^2+y^2+z^2}{xy+yz+zx}?

If x+4x2+3x4=a,\frac{x+4}{x^2+3x-4}=a, what is the value of aa when x=1413x=\frac{14}{13}?

×

Problem Loading...

Note Loading...

Set Loading...