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 65E
To determine

Find the real solutions of equation.

Expert Solution

Answer to Problem 65E

  x=5,x=2

Explanation of Solution

Given information:

  x27x+10=0

Formula used: -

  x=b±b24ac2a

  x27x+10=0

Now applying quadratic formula:

  x=b±b24ac2a In equation x27x+10=0

Here a=1,b=7,c=10

  x=(7)±(7)24(1)(10)2(1)x=7±49402x=7±92x=7±32

  x=7+32,x=732x=5,x=2

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