Exercise algebra.inequalities.quadratic

Description
solve a quadratic inequation

Derivation

2*x^2+6*x-10 == x^2+2*x-5

⇒ algebra.equations.quadratic.move-left

x^2+4*x-5 == 0

⇒ algebra.equations.quadratic.nice-factors

(x-1)*(x+5) == 0

⇒ algebra.equations.quadratic.product-zero

x == 1 or x == -5