Seudónimo
Seudónimo
03-07-2014
Mathematics
contestada
Solve the quadratic by factoring 2X²-2X-12=0
Respuesta :
konrad509
konrad509
03-07-2014
[tex]2x^2-2x-12=0\\ 2(x^2-x-6)=0\\ 2(x^2-3x+2x-6)=0\\ 2(x(x-3)+2(x-3))=0\\ 2(x+2)(x-3)=0\\ x=-2 \vee x=3[/tex]
Answer Link
Аноним
Аноним
03-07-2014
[tex]2x^2-2x-12=0\\\\2x^2+4x-6x-12=0\\\\2x(x+2)-6(x+2)=0\\\\(x+2)(2x-6)=0\iff x+2=0\ \vee\ 2x-6=0\\\\x=-2\ \vee\ x=3[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 44+ )
Otras preguntas
53% of 539 this is a math problem the answer is supposed to be a whole number and you are supposed to estimate
if 4/5=4×1/5then 5/12=
what element is found in fish
__________ can speed up alcohol absorption.
Which of the following is part of a rock formation that consists more or less of the same type of rock material? A. bed B. fossil C. event D. stratum
How long did it take for the United States to dig the Panama Canal? a. three and one-half years b. 17 years c. five years d. nine years
The price of a miniature toy car in 1968 was 0.295% of its current price. Today the car is a collector's item and is priced at $200. What was the price of the
The Sixth-Graders at Meadowbrook Middle School Are Going On A Field trip. The 325 students and adults will ride in school buses. Each bus holds 48 people. How m
What are three ratios that the equivalent to 16:30
What happened as a result of the so-called Intolerable Acts?
