Question

resolver siguiente ecuacion​

Answer 1

${x}^{2} + 2x = 80 \\ {x}^{2} + 2x - 80 = 0 \\ (x + 10)(x - 8) = 0 \\ \\ x = - 10 \: \: \: o \: \: \: x = 8$

CS = { - 10; 8}