Question

Resolva equação 4x²-1=0

Answer 1

4x² = 1
x² = 1/4
x = +-V(1/4) = +- 1/2 ***

Answer 2

$\mathsf{ 4x^{2} - 1 = 0 } \\ \mathsf{4 x^{2} = 1 } \\ \mathsf{ x^{2} = \dfrac{1}{4} } \\ \large\boxed{\boxed{\boxed{\boxed{\mathsf{x = \dfrac{1}{2} }}}}}$