Exercise algebra.equations.quadratic.no-abc

Description
solve a quadratic equation without abc-formula

Derivation

3*x^2 == 6*x

⇒ algebra.equations.quadratic.same-con-factor

x^2 == 2*x

⇒ algebra.equations.quadratic.move-left

x^2-2*x == 0

⇒ algebra.equations.quadratic.common-factor

x*(x-2) == 0

⇒ algebra.equations.quadratic.product-zero

x == 0 or x == 2