Register
Solve this equation please​
225k views
1 vote
Solve this equation please​

Solve this equation please​-example-1
User John Glabb
by
3.4k points

1 Answer

5 votes

Explanation:

Number 1


log_(10)( {x}^(2) - 3x + 12 ) = 1 \\ log_(10)( {x}^(2) - 3x + 12 ) = log_(10)(10) \\ cancelling \: both \: logs \: we \: have \\ {x}^(2) - 3x + 12 = 10 \\ {x}^(2) - 3x + 12 - 10 = 0 \\ {x}^(2) - 3x + 2 = 0 \\


solve \: \: by \: factorisation \: method \\ {x}^(2) - 2x - x + 2 \\ {x}(x - 2) \: - 1(x - 2) \\ (x - 2)(x - 1) \\ therefore \: x = 2 \: or \: x = 1

Number 2

User NessDan
by
4.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.4m questions

4.3m answers

Other Questions

A study was completed in Florida. In southern Florida, the study involved 3,000 patients; 54% of them experienced flulike symptoms during the same month. The study had a margin of error of 1.8%. What does
The sanchez family goes out for dinner, and the price of the meals is $60. The sales tax on the Meals is 7 percent, and they also want to leave a 15 percent tip. What is the total cost of the meal? Analyze
A survey of 539 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night. It found: 189 watched TV 163 hung out with friends 29 watched TV and ate pizza, but did
WHAT IS 33 TIMES 5 TELL ME THE ANWER
At the beginning of a population study, a city had 240,000 people. Each year since, the population has grown by 9.7%. Lett be the number of years since start of the study. Let y be the city's population.
Link Copied!