16x^2 - 24x + 5 = 0
D = b^2 - 4ac = (-24)^2 - 4*16*5 = 576 - 320 = 256 = 16^2
x1 = ( 24 + 16)/32 = 40/32 = 1,25
x2 = ( 24 - 16)/32 = 8/32 = 0,25
1. dy=y'(x0)dx = 1 * 0,1 = 0,1
2. x'(t) = 3
3. y'(x) = 2x
y'(0) = 0
432*48-38*432=29736-16416=4320
(-2x+5)(-4x-9)
-2x+5-4x-9=0
-2x-4x=9-4
-6x=5
x=-5/6