jasminegordon78 jasminegordon78

11-06-2014
Mathematics

contestada

solve the equation 4x^2-17x-15=0

Respuesta :

konrad509 konrad509

11-06-2014

[tex] 4x^2-17x-15=0\\ 4x^2-20x+3x-15=0\\ 4x(x-5)+3(x-5)=0\\ (4x+3)(x-5)=0\\ x=-\frac{3}{4} \vee x=5[/tex]

Answer Link

11-06-2014

4x^2 - 17x - 15 = 0
(4x + 3)(x-5)
4x + 3 = 0
4x = -3
x = -3/4

x - 5 = 0
x = 5

Answer Link

Otras preguntas

Gosh. I think I dunno anything anymore besides math. ._. You find rock fossils in it. this rock more likely to be a sedimentary rock than an igneous rock? expla

ASAP PLEASE!! Given the equation y-4=3/4(x+8) in point-slope form, identify the equation of the same line in standard form.

URGENT!! PLEASE ANSWER!! Find all solutions to the equation. sin^2x + sin x = 0

1. There were a million people at the mall today? A Literal language B figurative language

In the NFL, game officials are almost always men. But Sarah Thomas stands out as the first female official in professional football. What do you think?

What number could replace r below? 3/4=6/r

make sure it's right.........

What happened at the REAL Thanksgiving Day? What is the truth they have been keeping from us?

Will mark brainlist! (Easy)

describe the baroreceptor reflex