Hello, Here it is: x -12x+20 I have figured out that the product and sum is 2 and 10. make 12, times together to make 20. however i dont know how to continue from there. thanks
Follow Math Help Forum on Facebook and Google+
Originally Posted by Sphinxy1994 Hello, Here it is: x -12x+20 I have figured out that the product and sum is 2 and 10. make 12, times together to make 20. however i dont know how to continue from there. thanks more specifically, -2 * -10 = + 20 and -2 + (-10) = -12 thus, also, see the relevant link in my signature to learn how to use LaTeX
So your equation is now (x- 2)(x- 10)= 0 and the only way a product of numbers can be 0 is if one of the numbers is 0 itself.
View Tag Cloud