Factoring Compound Quadratics Practice Problems Online

If $a$ , $b$ , $c$ and $d$ are positive numbers that satisfy $x^4-40x^2+4 = (x^2+ax-b)(x^2-cx-d),$ what is the value of $a+b+c+d$ ?

If $a$ and $b$ are positive numbers such that $x^3+2x^2y-9x-18y=(x+a)(x-b)(x+cy),$ what is the value of $a+b+c$ ?

If $b$ and $c$ are positive numbers such that $(x^2-1)(x^2+8x+7)=(x+a)^2(x+b)(x-c),$ what is the value of $a+b+c$ ?

If $a$ and $b$ are positive integers such that $\begin{aligned} & x^2 y^2-9x^2z^2-10xy^2+90xz^2+25y^2-225z^2\\ & =(x-a)^2(y-bz)(y+bz), \end{aligned}$ what is the value of $a+b$ ?

A polynomial $x^4-226x^2+225$ can be factorized as $(x-a)(x-b)(x-c)(x-d).$ If the four constants satisfy $a < b < c < d$ , what is the value of $bc-ad$ ?

Concept Quizzes

Challenge Quizzes

Factoring Compound Quadratics

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 8 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.