Exercise algebra.equations.quadratic.no-abc

Description
solve a quadratic equation without abc-formula

Derivation

0 == x^2+14*x+24

⇒ algebra.equations.linear.flip

x^2+14*x+24 == 0

⇒ algebra.equations.quadratic.nice-factors

(x+2)*(x+12) == 0

⇒ algebra.equations.quadratic.product-zero

x == -2 or x == -12