SOLUTION: Caso de trinomio de la forma x2 + bx + c. Factorizar: b. x^2+2xy-15y^2

Algebra ->  Finance -> SOLUTION: Caso de trinomio de la forma x2 + bx + c. Factorizar: b. x^2+2xy-15y^2      Log On


   

Question 782053: Caso de trinomio de la forma x2 + bx + c. Factorizar:
b. x^2+2xy-15y^2
Answer by algebrahouse.com(1659) About Me  (Show Source):
You can put this solution on YOUR website!
No hablo espanol, but

x² + 2xy - 15y²
= (x + 5y)(x - 3y) {first terms were factors of x², second terms multiplied to get -15 and added to get 2, with a y attached}

For more help from me, visit: www.algebrahouse.com