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 1.5, Problem 68E
To determine

Find the real solutions of equation.

Expert Solution

Answer to Problem 68E

  x=43,x=1

Explanation of Solution

Given information:

  3x2+7x+4=0

Formula used: -

  x=b±b24ac2a

  3x2+7x+4=0

Now applying quadratic formula:

  x=b±b24ac2a In equation 3x2+7x+4=0

Here a=3,b=7,c=4

  x=(7)±(7)24(3)(4)2(3)x=7±49486x=7±16x=7±16

  x=716,x=7+16x=43,x=1

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