scoobydooyuck
scoobydooyuck scoobydooyuck
  • 03-05-2018
  • Mathematics
contestada

Solve the quadratic in form equation x^4-14x^2+45=0

Respuesta :

kayeecheng2102p3s8sa kayeecheng2102p3s8sa
  • 03-05-2018
x⁴-14x²+45=0
(x²) ²-14x²+45=0
let y=x²
y²-14y+45=0
(y-9) (y-5) =0
y=9 or y=5
x²=9 or x²=5
x=±3 or x=±√5
Answer Link

Otras preguntas

how do you solve: 4 + |k + 1| <15
Convert 35kg to its equivalent in g using dimensional analysis
what evidence shows that sumerians where not prehistoric
I'm inside the path I'm a difference of two numbers outside the paths what number am I
how to solve 0.01x+0.07y=0.22 and 0.03x-0.05y=0.14 by substitution
What is the function of the bumpy pads on a Tasmanian devil paws
A. Rice costs $1.33 per kilogram. How much will 1.3 kg of rice cost? B. Milk costs $.71 per liter. How many liters can you buy with $3.00 C. How are part (a) a
The cost of living last year went up 7%. Fortunately, Alice Swanson got a 7% raise in her salary from last year. This year she's earning $42,805. How much did s
What is larger 0.6 or 3/4 explain?
If a potato is allowed to dehydrate by sitting in open air, would the potato cells be more likely to absorb more water or less?