Question

Quero saber o resultado dessa conta , 5x²+3x²+2=11x²-1

Answer 1

5x²+3x²+2=11x²-1
5x²+3x²-11x²= -1-2
8x²-11x²= -3
-3x²= -3
x²= -3/-3
x= ± 1

Answer 2

veja...

5x²+3x²+2=11x²-1
5x²+3x²-11x²=-1-2
8x²-11x²=-3
-3x²=-3
3x²=3
x²=3÷3
x²=1
x=±√1
x=±1

S={-1,+1}