Question

Solve the quadratic equation numerically (using tables of x- and y- values).

x2 + 7x+ 12 = 0
x= -1 or x = -1
x= -3 or x = -3
x = -4 or x = -3
x = 2 or x = -1

Answer 1

x2 + 7x + 12 = 0

Explanation:

(x + 4) (x + 3)

x + 4 = 0 or x + 3 = 0

x = - 4 or x = - 3