Question

factorización de x²+3x-10=0​

Answer 1

${x}^{2} + 3x - 10 = 0 \\ {x}^{2} + 5x - 2x - 10 = 0 \\ x \times (x + 5) - 2(x + 5) = 0 \\ (x + 5) \times (x - 2) = 0 \\ \huge - - - - - - \\ x + 5 = 0 \\ x - 2 = 0 \\ \\ \bf \: x = - 5 \\ \bf \: x = 2$