anyone43
anyone43
24-04-2017
Mathematics
contestada
solve by factoring 3x^2 -19x -40 = 0
Respuesta :
Qveendesi1
Qveendesi1
24-04-2017
(3x^2 - 19x) - 40=0
Multiply 3*-40=-120
Then find the factor which is -19
Now using 2 factors ~
3x2 - 24x
+
5x - 40
We going to split it up
3x*(x-8)
Add your last two terms
5*(x-8)
Then add up the 4 terms
(3x+5)*(x-8)
Which means x=8
Answer Link
VER TODAS LAS RESPUESTAS ( 17+ )
Otras preguntas
Which element is classified as a noble gas at STP? hydrogen oxygen neon nitrogen
The _______ in plants is directly responsible for absorbing light energy.
When two geologic plates are moving away from each other, a ______ can result.
When two geologic plates are moving away from each other, a ______ can result.
. In a famous speech, William Jennings Bryan A. refused to be allied with the so-called "silverists." B. declared his staunch support of the gold standard. C. r
Which best describes the purpose of the Electoral College in the United States? chooses the winner of an election if the popular vote is disputed reduces the nu
A delivery truck drove 48 miles per hour. It took 4 hours to travel between two towns. What is the distance between the two towns? Use the equation d=rt, where
What could I write about a New Years Resolution
What is the solution to the compound inequality?
in the late 1840s, what challenges did Mexicans living in territory ceded by Mexico face? A.outnumbering white settlers B.being forced into slavery C.having ine
