Question

rapido xfa ayudame pliz

Answer 1

2x + 8x2 = 4x +5 
8x2-2x-5 = 0--- (x2/8 -1/4x -5/8)= x2/8 -2/8x -5/8 = 1/8(x2-2x-5)
b2-4ac>0

(-2)2 -4(8)(-5) = -4+160 = 156

2+-(raiz (156))/2(8)(-5) =    2+ 22.14/-80 = 2-0.27 = 1.73
                                            2- 22.14/-80 = 2+0.27 = 2.27  =4