bredanativi
bredanativi
09-05-2014
Mathematics
Answered
solve for x: 2x^2-2x-24=0
Answer :
Lilith
Lilith
09-05-2014
[tex]2x^2-2x-24=0 \ \ :2\\ \\x^2- x-12=0 \\ \\x^2- x-3x+3x -12=0\\ \\x^2-4x+3x -12=0 \\ \\x(x-4)+3(x-4)=0[/tex]
[tex](x-4)(x+3) =0\\ \\x-4 =0 \ \ or \ \ x+3 =0 \\ \\x=4 \ \ or \ \ x=-3[/tex]
Answer Link
VIEW ALL ANSWERS ( 55+ )
Other Questions
All the following were important abolitionists EXCEPT (A) David Walker (B) Frederick Douglass (C) William Lloyd Garrison (D) Sarah Bagley
Which revision best corrects the errors in the given sentence? I'll do something quiet such as reading, gardening, or bird-watching instead of riding roller coa
In which sentence is the fraction written correctly? A. Jessie has finished one-quarter of her paper route. B. The hungry boy ate seven-eighths of the pizza.
Examine the diagram below, which shows stages in the water cycle. Which of the stage of the water cycle is caused when water absorbs heat energy from the Sun? a
The trustworthiness of a speaker adds to the speaker's A. emotional appeal. B. ethical appeal. C. verbal appeal. D. appeal to reasoning.
What is the set of alleles that an individual possesses? A. A gene B. A genotype C. A genome D. A genus
Choose the sentence with no errors in punctuation or capitalization. (Points : 1) She continued, "The last story on the reading list is "The Mos
A transfer of heat within a liquid or gas that involves warm particles moving in currents is a convection. b connection. c correction. d conduction.
Jamie bought 5/8 pound of wheat flour. He also bought 2/8 pound of white flour. How much flour did he buy?
what happened to the colonists who opposed the Declaration of Independence