landonsmith87 landonsmith87
  • 03-05-2017
  • Mathematics
contestada

6y^3-150y............... x^3-10x^2+21x

Respuesta :

DariusX
DariusX DariusX
  • 03-05-2017
6y^3-150y=0  / : y
6y^2-150=0
y^2=150/6
y^2=25
y1=5
y2=-5

x^3-10x^2+21x=0  / : x
x^2-10x+21=0
D=(-10)^2 - 4*1*21 = 100 - 84 = 16
x1 = (10 + 4)/2*1 = 7
x2 = (10 - 4)/2*1 = 3
Answer Link

Otras preguntas

whats the answer to: 11x/18
A first year Master Chef was hired in Whitehorse, Yukon at an annual salary of $52,000. What would her gross pay each pay cheque be if she was paid Semi-Monthly
What are the layers of the atmosphere from closest to farthest from Earth's surface?
Tell whether the set is closed under the operation indicated.If not closed, provide a counterexample.1.) integers under addition                            2.)
can anyone help me with these: 65mm=?cm, 600cm=?m , 800cm=?m
Solve the equation 6x=2x+40
Which is an advantage that single-celled organisms have over multicellular organisms?
• How were historical solar system models different from our current model?
What is 25% of 6??? Is it 1.5?
PLEASE, PLEASE HELP ME?!?4. Identify the word or words that the underlined phrase modifies.The cool, blue water in the pool attracts everyone on these hot summe