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Complete the square in each of the following by putting in the form $(x+B)^{2}-C$$$x^{2}-3 x$$

$$(x-3 / 2)^{2}-9 / 4$$

Algebra

Chapter 0

Reviewing the Basics

Section 3

Completing the Square

Equations and Inequalities

Missouri State University

Campbell University

Oregon State University

Lectures

01:03

Complete the square in eac…

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01:22

01:45

02:51

01:57

01:09

02:19

01:11

00:17

Complete the square for ea…

00:22

Complete the square. $…

00:23

00:24

Complete the square.$$…

01:51

Multiple Choice To co…

So remember, in order for us to completely square of something, what we do is we look at this terms coefficient, and we're going to divide it by two. Square it and then add this attracts will do. Plus negative three over to squared. Plus negative 3/2 square knot plus minus here. Now, this doesn't divide evenly. And so I'm just gonna leave it like this. We don't have to work with a decimal, so we could go ahead and square that so we'd end up with so X squared minus three X and then B plus nine force and then over here that would become minus nine force. Now, this first part is going to become perfect square. So the acts plus something squared and then minus nine forced. And now to figure out what number we put here so we could just come up here and look to see what we got for that or again. You just look at this middle term and divided by two. So that would be minus three over to. So let's just rewrite this so we could get rid of that plus minus. So X minus three house squared minus nine force. And this is going to be our completed square

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