mk2k
mk2k mk2k
  • 03-04-2016
  • Mathematics
contestada

x(x^2-6x+5)=12(x-5)
Please! Step by step.

Respuesta :

annika64
annika64 annika64
  • 03-04-2016
X(x^2-6x+5)=12(x-5)
Distribute
x^3-6x^2+5x=12x-60
Simplify (minus 12x from both sides)
x^3-6x^2-7x=60
Factor X
x(x^2-6x-7)=60
Divide X from btoh sides
(x^2-6x-7)=60/x
Simplify
X=7.861308



Answer Link

Otras preguntas

blake's bowling alley offers a special. each game costs $2.50 and the shoe rental $2.00. you spend $14.50 total. how many games did you bowl. Please show your
How are molecules and energy changed during the biochemical processes of photosynthesis?
Simplify the numerical expression 13-2x5
Help needed. 4th grade math
Write an equation for the line whose slope is 7/2 and which contains the point (-12,-9)
Mary has ​$ 160. She is buying beads for a necklace that cost ​$ 4 each. Use this information to answer questions 5 –6. 5. Write an equation showing the relatio
solve this system by using substituion 6x+5y=-13 y=-7×+9
circle groups to show3×(2×3)
What type of limiting factor is space
Proteins are large molecules. They enter a cell through A. passive transport. B. active transport. C. diffusion. D. osmosis.