gianna20
gianna20 gianna20
  • 24-03-2017
  • Mathematics
contestada

How do o solve both of these?? With work please!

How do o solve both of these With work please class=

Respuesta :

anthony12341
anthony12341 anthony12341
  • 24-03-2017
1. 3n^3+3n^2+5n+5
(3n^3+2n^2)+(5n+5)
3n^2(n+1)+5(n+1)
(n+1)(3n^2+5)
n+1=0 and 3n^2+5=0
so n=-1, sqrt(5/3)
2.2x^2+2x-4
2(x^2+x+2)
2(x-1)(x+2)
2(x-1)=0 and x+2=0
x=1 and x=-2


Answer Link

Otras preguntas

1. What is the y intercept ? 2. Write an equation of the line in the graph above
When a source expresses an option learning to add one side it contains.... A. Reliability B. Facts C.authenticity D. Bias
can someone give me some suggestions on this please
55% of the attending crowd was female. If the crowd has 1345 people, how many females are there ?
Last month, you lent a work colleague $5000 to cover some overdue bills. He agreed to pay you in 1 month with interest at 2% for the month, thus owing you $5100
Item 2 Identify the initial amount $a$ and the rate of growth $r$ (as a percent) of the exponential function $y=25\left(1.2\right)^t$ . Evaluate the function wh
what part of an essay helps identify the type of essay
A ramp is constructed with the given dimensions. What is the width of the ramp. 15 m 39m
Consider the addition of an electron to the following atoms from the fifth period. Rank the atoms in order from the most negative to the least negative electron
Similar triangles really need help quick