Question

Resolva as equações de 2°grau
a)4x²-x+1=x+3x²
b)3x²+5x=-x-9+2x²
Me ajudem

Answer 1

Resolva as equações de 2°grau

a)4x²-x+1=x+3x²

x^2 - 2x + 1 = 0

(x -- 1)^2 = 0

x = 1

b)3x²+5x=-x-9+2x²

x^2 + 6x + 9 = 0

(x + 3)^2 = 0

x = 3