taylorlynch
taylorlynch
04-08-2015
Mathematics
contestada
Solve by factoring:
25X^2+5X-12=0
Respuesta :
naǫ
naǫ
04-08-2015
[tex]25x^2+5x-12=0 \\ 25x^2-15x+20x-12=0 \\ 5x(5x-3)+4(5x-3)=0 \\ (5x+4)(5x-3)=0 \\ 5x+4=0 \ \lor \ 5x-3=0 \\ 5x=-4 \ \lor \ 5x=3 \\ x=-\frac{4}{5} \ \lor \ x=\frac{3}{5} \\ \boxed{x=-\frac{4}{5} \hbox{ or } x=\frac{3}{5}}[/tex]
Answer Link
Аноним
Аноним
04-08-2015
solve your equation step-by-step.
25x2+5x−12=0
Factor left side of equation.
(5x−3)(5x+4)=0
Set factors equal to 0.
5x−3=0 or 5x+4=0
x=3/5 or x=−4/5
Answer Link
VER TODAS LAS RESPUESTAS ( 55+ )
Otras preguntas
Which statement about the following reaction is correct? CaO (s) + H2O (l) ----> Ca(OH) 2 (s) deltaH = -65.2 kJ 65.2 kJ of heat is absorbed for every one o
Calculate the area of the following figure correct to 2 decimal places if can show or explain work
Write a concrete poem about a pyramid using literary devices.
What type of bonding in solid potassium
Which sentence does not contain any errors in the use of italics or quotation marks? A. I learned that fact from reading the magazine National Geographic. B. "J
How did new weapons and technology change the course of war during World War I?
What are the solutions of the equation x^6 + 6x^3 + 5 = 0? Use factoring to solve.
how to turn 12 14/15 into a decimal?
Which word in the sentence, if any, should be followed by a comma? Nevertheless he remains determined to finish the project before the end of the month. A. Ne
Simplify the expression: 1/1+cot^2x a.sec^2x b.csc^2x c.sin^2x d.cos^2x e.tan^2x
