Question

calcular (m-1) x (m-3)

Answer 1

(m - 1)(m - 3)
m² - 3m - m + 3
m² - 4m + 3

Se pedir baskara, temos

Delta = b² - 4ac
Delta = (-4)² - 4(1)(3)
Delta = 16 - 12
Delta = 4

X = (-b +- raiz delta) / 2a
X = (4 +- 2) / 2
x' = 6/2 = 3
x" = 2/2 = 1

BONS ESTUDOS!