Question

resolver ((4-5x).(4x-5)=(10x-3).(7-2x)

Answer 1

16x - 20 - 20x^2 + 25x = 70x - 20x^2 - 21 + 6x

16x - 20x^2 +25x - 70x +20x^2 - 6x = 20 - 21

( -35x = -1 ) (-1)

35x = 1

X = 1/35

X = 0.029