Question

resolva as equações do 2 grau

a)x²-49=0

Answer 1

X^2-49=0

X^2=49

X=RAIZ DE 49

X= +-7

Answer 2

$x^{2} -49=0\\\\ x^{2} =49\to \\\\ x= +-\sqrt{49} \to\\\\ x=+-7$