Question

решите уровнение 4х^2+4х-3=0

Answer 1

4x^2 + 4x - 3 = 0 
D = 16 + 4*4*3 = 16 + 48 = 64 = 8^2
x1 = ( - 4 + 8)/8 = 4/8 = 1/2 = 0,5
x2 = ( - 4 - 8)/8 = - 12/8 = - 3/2 = - 1,5