Table of Contents

## Which is a factor of X 4 8x 2 9?

The completely factored form of x4 + 8×2 – 9 is **(x + 3i)(x – 3i)(x + 1)(x – 1).**

## What are the roots of the equation x 4 8x 2 9 0?

Therefore, the roots of the equation are **-3,3,i,-i**.

## How many solutions does 8x 2 8x 2 have?

Solve Quadratic Equation by Completing The Square This quadratic equation has **one solution only. That’s because adding zero is the same as subtracting zero.**

## What is the factor of x 2 9?

Rewrite 9 as **32 . Since both terms are perfect squares, factor using the difference of squares formula, a2u2212b2(a+b)(au2212b) a 2 – b 2 ( a + b ) ( a – b ) where ax and b3 .**

## How do you factor x 4 8x?

x4−8**x=x(x3−8)=x(x−2)(x2+2x+4)** . The last passage is because (x3−8) is a difference of two cubes, that can be factored with this rule: a3−b3=(a−b)(a2+ab+b2)

## What is the completely factored form of xy3 x3y?

The completely factored form of xy^{3} – x^{3}y is **xy(y + x)(y – x)**.