Question

Escreva as equações na forma geral e resolva a)x² + 3 = 4x b)-20=-x-x²

c)13 - 2x - 15x² = 0 d) 4x² + 7x + 3 =2x² + 2x e)x(x - 2) = 2 (x-6)

Answer 1

a)x²-4x+3
b)-x-x²+20
c)-15x²-2x+13
d)2x²+5x+3
e)x²-4x+12