# Solutions To Mathematics Textbooks/Basic Mathematics/Chapter 8

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# Chapter 8[edit]

## Section 3[edit]

Complete the square of the equations in this part to render them in a form of the equation of a circle.

### 13[edit]

We add one to both sides so we can write the right hand side as a single power.

### 15[edit]

## Section 4[edit]

### 2[edit]

Multiply both sides of the inequality by both numerator and denominator of both sides to get:

Then, expand and simplify: