SOLUTION: factor the following equation. x^2 - x - 90 = 0.

Algebra.Com
Question 258050: factor the following equation.
x^2 - x - 90 = 0.

Answer by drk(1908)   (Show Source): You can put this solution on YOUR website!
We want two numbers such that their sum = -1 and their product = - 90.
We can use -10, and 9 to get
(i)
solve for x to get
x = 10
or
x = -9

RELATED QUESTIONS

Factor the following quadric equation:... (answered by jim_thompson5910)
Solve the following equation:... (answered by richard1234)
Hi! I have been working with factoring and a recent problem has completely stumped me!!... (answered by harpazo)
46. Factor completely. -3t^3+ 3t^2-6t 60. Factor polynomial completely.... (answered by jim_thompson5910)
Factor the following expressions completely: a. x^3-4x=0 b. 2x^2+7x-15=0 (answered by mangopeeler07)
Solve the following equation: [0 0 -1] [3 x 0 ] = x^2 [2 0... (answered by Alan3354)
solve the following equation. |0 0 -1| |3 x 0| = x^*2 |2 0 3| (answered by Alan3354)
solve the following equation.. 0 0-1 3 x 0 =x^2 2 0 3 (answered by fractalier)
Solve the following equation. |0 0 -1| |3 x 0 |= x^2 |2 0 3... (answered by Fombitz)