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Chapter 6: Q. 409 (page 636)

In the following exercises, factor completely

5u4-45u2.

Short Answer

Expert verified

The factors of the given expression are 5u2(u-3)(u+3).

Step by step solution

01

Step 1. Given and explanation 

We have 5u4-45u2.

The above expression can be solved using the formula,

a2-b2=(a+b)(a-b)

02

Step 2. Factorizing the expression. 

We have 5u4-45u2.

Now,

5u4-45u2=5u2(u2-9)=5u2(u+3)(u-3)

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