Question

4x² + 1 the factors of this number plz​

Answer 1

$4x^{2} + 1 = 0$

$4x ^{2} = - 1$

$x ^{2} = 1 \div 4$

x=1/2.....ans.

Answer 2

(2x)^2+1^2

By formula a^2+b^2+2ab

4x^2+1+4x