Question

Trinomio de segundo grado

Answer 1

${y}^{2} - 7y + 10 = (y - 5)(y - 2)= y=5; y=2\\ {x}^{2} + 5x + 6 = (x + 3)(x + 2)= x=-3; x=-2 \\ {x}^{2} + 4x + 3 = (x + 3)(x + 1)= x=-3; x=-1$