   Chapter 9.4, Problem 3EE Mathematical Excursions (MindTap C...

4th Edition
Richard N. Aufmann + 3 others
ISBN: 9781305965584

Solutions

Chapter
Section Mathematical Excursions (MindTap C...

4th Edition
Richard N. Aufmann + 3 others
ISBN: 9781305965584
Textbook Problem

Solve the equation and then check the solutions using the sum and product of the solutions. 3 x 2 + 5 x = 12

To determine

To solve: The given equation and check it by using the sum and product of the solution.

Explanation

Given:

3x2+8x=12

Calculation:

3x2+8x=123x2+8x12=03x2+9x4x12=03x(x+3)4(x+3)=0(3x4)(x+3)=0(x+3)=0x=3(3x4)=0x=43

The value of x is -3 and

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