Question

x^2+2x=35 cuál es el valor de x??? :((
ayuda porfa!!!​

Answer 1

Respuesta:

$x {}^{2} + 2x = 35 \\ x {}^{2} + 2 \times 5= 35 \\ x {}^{2} + 10 = 35 \\ x {}^{2} = 35 - 10 \\ x {}^{2} = 25\\ x = \sqrt{25} \\ x = 5$

Verificamos:

$5 {}^{2} + 2 \times 5 = 35$