Question

X^2+2x-x^2=-10
Sosssssse

Answer 1

x = -5

x²+2x-x² = -10

2x = -10

x = -10/2

x = -5

Bom sábado

09/04/22

Answer 2

x= -5

calculo aqui: https://www.google.com/search?q=X%5E2%2B2x-x%5E2%3D-10&rlz=1CAPPDO_enBR993&oq=X%5E2%2B2x-x%5E2%3D-10&aqs=chrome..69i57j69i61.1015j0j7&sourceid=chrome&ie=UTF-8&safe=active&ssui=on