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Chapter 9: Q60. (page 478)

Solve the equation 18u2-3u=1 by factoring.

Short Answer

Expert verified

The solution for the equation is u=-16,13.

Step by step solution

01

Step 1. Write down the given expression.

The given equation is 18u2-3u=1.

02

Step 2. Simplify the equation.

The given equation 18u2-3u=1 is solved as:

18u2鈭�3u=1....Given18u2鈭�3u鈭�1=0....Re-arrange18u2鈭�6u+3u鈭�1=06u3u鈭�1+13u鈭�1=0....Factoring6u+13u鈭�1=06u+1=0or3u鈭�1=0u=鈭�16oru=13u=鈭�16,13

03

Step 3. Conclusion.

The solution for the given equation is u=-16,13.

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