Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Derivation
x == (-4+4*sqrt 2)/2 or x == -2-2*sqrt 2
⇒ algebra.equations.quadratic.distr-divx == -2+4*sqrt 2/2 or x == -2-2*sqrt 2
Description
solve a quadratic equation without abc-formula