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In each of the following, solve the given quadratic equation exactly using the quadratic formula. Write the solutions in its simplest form. Using a calculator, determine all irrational solutions to the nearest thousandth.$$(x-4)(x+1)=6$$

$$-2,5$$

Algebra

Chapter 0

Reviewing the Basics

Section 4

The Quadratic Formula and Applications

Equations and Inequalities

Campbell University

Baylor University

University of Michigan - Ann Arbor

Idaho State University

Lectures

01:28

In each of the following, …

02:38

Solve each of the quadrati…

01:07

00:54

01:01

01:03

01:00

01:04

01:19

01:15

01:17

01:42

Solve each equation using …

03:15

01:30

00:53

01:50

02:19

01:12

00:36

Solve using the quadratic …

03:00

We first multiply these two factors out which becomes x squared plus x minus four x minus four, ico six. Next we can buy the same terms and subtract six from both sides, which becomes x squared minus three, X minus 10 equals zero. Then they identify the co invasions A equals one equals minus three, & C Equals -10. Then we substitute A B and C with their values. Into this form, The denominator is two and the numerator is three plus a miner's square root of minus three squared minus four times one times minus two, which has three plus and minus the square root of 49 over to Rachel's three plus a minus 7/2. So the first solution is -2 and the second solution is for.

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