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 72RE
To determine

To find the real solutions of equation 3x2+5x2=0 .

Expert Solution

Answer to Problem 72RE

The solution is x=2,13 .

Explanation of Solution

Given information:

  3x2+5x2=0

Formula used:

Quadratic Formula:- x=b±b24ac2a .

Calculations:

  a=3b=5c=2

  x=(5)±(5)24(3)(2)2(3)

  x=5±25+246

  x=5±496

  x=5±76

  x=5+76=26=13 and x=576=126=2

The solution of the equation is x=2,13 .

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