herecamera70831
herecamera70831 herecamera70831
  • 18-10-2019
  • Mathematics
contestada

Solve for x in the equation x^2 + 2x+ 1 = 17.
x=-11 square root 15
X=-11 square root 17
x=-2+2/5
x=-1+ square root 13

Respuesta :

tydublin tydublin
  • 18-10-2019

Answer:

first, subtract 17 on both sides: x²+2x-16=0

this cannot be factored, so use the quadratic formula to solve for x:

b²-4ac=2²-4(10(-16)=4+64=68

√68=2√17

so x=(-2+2√17)/2 or x=(-2-2√17)/2

x=-1+√17 or x=-1-√17

Step-by-step explanation:

Answer Link

Otras preguntas

Please help I need this done ASAP! There is 1 yellow marble, 2 green marbles, 4 red marbles, and 5 blue marbles in a bag. Once a marble is drawn, it is replaced
In what quadrant is the center of the following equation located: (x - 4)^2+ (y + 5)^2 = 16? Write 1, 2, 3, or 4. 25 POINTS!!!!!!!!!!!!! BRAINLIEST NEED ANSWE
what does it mean to create a model to represent 90%​
2A balloon filled with helium occupies 20.0 L at 1.50 atm and 25°C. How many moles of helium will there be in the balloon at STP? A. 22.4 moles B. 1.12 moles C.
The force that binds atoms together to form molecules is
How many square feet of outdoor carpet will we need for this hole?
An object is 50 cm from a converging lens with a focal length of 40 cm . A real image is formed on the other side of the lens, 250 cm from the object. What is t
What is unique about a hominid pelvis when compared to other primates
Why were many Germans discontented with the Weimar Republic which gave rise to the Nazi Party under Adolf Hitler?​
What is the solution to the inequality -6+|2p+3|>7