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Chapter 9: Q. 9.149 (page 1095)

Solve: 3x-5=5.

Short Answer

Expert verified

The solution isx=10.

Step by step solution

01

Step 1. Given Information    

We are given the quadratic equation 3x-5=5and we need to solve it.

02

Step 2. Finding the solution

Squaring both sides of the equation, we get:

3x-52=52鈬�3x-5=25鈬�3x=25+5鈬�3x=30鈬�x=303鈬�x=10

03

Step 3. Checking the answer

x=10,3脳10-5=5鈬�30-5=5鈬�25=5鈬�5=5

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Most popular questions from this chapter

Accident investigation: An accident investigator measured the skid marks of one of the vehicles involved in an accident. The length of the skid marks was 117 feet. Use the formulas=24d to find the speed of the vehicle before the brakes were applied. Round your answer to the nearest tenth.

Solve:3m+2-5=0

In the following exercises, simplify and rationalize the denominator.

83

In the following exercises, simplify.

26y72y

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Solve: x+3=x+5
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