# Seven less than 4 times the square of a number is 18. How do you find the number?

##### 1 Answer

See a solution process below:

#### Explanation:

**"the of square of a number" ->**

**"4 times the of square of a number" ->**

**"seven less than 4 times the of square of a number" ->**

**"seven less than 4 times the of square of a number is 18" ->**

First, add

Next, divide each side of the equation by

Now, take the square root of each side of the equation to solve for **and** a negative result:

The number is