Exercice
$\frac{-2}{x^2+6x+5}+\frac{1}{x^2+x-20}+\frac{3}{x^2-3x-4}$
Solution étape par étape
Apprenez en ligne à résoudre des problèmes étape par étape. Simplify -2/(x^2+6x+5)+1/(x^2+x+-20)3/(x^2-3x+-4). Factor the trinomial x^2+6x+5 finding two numbers that multiply to form 5 and added form 6. Rewrite the polynomial as the product of two binomials consisting of the sum of the variable and the found values. Factor the trinomial x^2+x-20 finding two numbers that multiply to form -20 and added form 1. Rewrite the polynomial as the product of two binomials consisting of the sum of the variable and the found values.
Simplify -2/(x^2+6x+5)+1/(x^2+x+-20)3/(x^2-3x+-4)
Réponse finale au problème
$\frac{2x+24}{\left(x+1\right)\left(x+5\right)\left(x-4\right)}$