BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071
BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

Solutions

Chapter 1, Problem 70RE
To determine

To find the real solutions of equation x2+24x+144=0 .

Expert Solution

Answer to Problem 70RE

The solution is x=12 .

Explanation of Solution

Given information:

  x2+24x+144=0

Formula used:

Quadratic Formula:- x=b±b24ac2a .

Calculations:

  a=1b=24c=144

  x=(24)±(24)24(1)(144)2(1)

  x=24±5765762

  x=242

  x=12

The solution of the equation is x=12 .

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