Question

a) X2 + 10x +25 = 0

b) x2   - 5x  + 6 = 0

c) x2  + 2X -3 = 0​

Answer 1

Explicación paso a paso:

a) x² + 10x + 25 = 0

(x + 5)(x + 5) = 0

x = -5

b) x² - 5x + 6 = 0

(x - 3)(x - 2) = 0

x1 = 3

x2 = 2

c) x² + 2x - 3 = 0

(x + 3)(x - 1) = 0

x1 = -3

x2 = 1