Question

(4+3X)²-24X=52 equacao do 2 grau incompleta

Answer 1

$(4+3x)^2-24x=52 \\ \\ 4^2+2.4.3x+(3x)^2-24x=52 \\ \\ 16+24x+9x^2-24x-52=0 \\ \\ 9x^2-36=0$

$9x^2=36 \\ \\ x^2= \frac{36}{9} \\ \\ x^2=4 \\ \\ x= \sqrt{4} \\ \\ x_{1} =2 \\ \\ x_{2} =-2$