x^2+2x+40 = x^2-x+190
Subtract x^2 from both sides
2x+40 = -x+190
Add x to both sides
3x + 40 = 190
Subtract 40 from each side
3x = 150
Divide both sides by 3
x = 50
k = 0.1
They are +/- 5*sqrt(2)
Using the discriminant for a quadratic equation the value of k works out as plus or minus 12.
89
pythagoras
k = 0.1
They are +/- 5*sqrt(2)
104
Using the discriminant of b^2 -4ac = 0 the value of k works out as -2
It is (-0.3, 0.1)
Using the discriminant for a quadratic equation the value of k works out as plus or minus 12.
89
pythagoras
2 squared is 4 3 cubed is 27 27 plus 4 is 31
b= 10
X = √63
b = 14324.80366