Exercise algebra.equations.quadratic.no-abc

Description
solve a quadratic equation without abc-formula

Derivation

6*x == 3*x^2

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

2*x == x^2

⇒ 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