SOLUTION: Solving Equation by Factoring
(zero property)
Solve:
25x^2-90x=-81
Algebra.Com
Question 255121: Solving Equation by Factoring
(zero property)
Solve:
25x^2-90x=-81
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Solve:
25x^2 -90x = -81
;
add 81 to each side
25x^2 - 90x + 81 = 0
:
This looks like a perfect square (25 * 81)
(5x - 9)(5x - 9) = 0
:
5x = 9
x =
;
Check by FOILing the factors:
25x^2 - 45x - 45x + 81
RELATED QUESTIONS
Solving Equation by Factoring
(zero property)
Solve:
9k^2=4k
(answered by richwmiller)
Solving Equation by Factoring
(zero property)
Solve:... (answered by nerdybill)
Solving Equation by Factoring
(zero property)
Solve:... (answered by stanbon)
Factor.... (answered by checkley77)
Factor.... (answered by checkley77)
How would you solve the following equation by factoring and applying the Zero-Product... (answered by MRperkins)
How would you solve the following equation by factoring and applying the Zero-Product... (answered by checkley77)
Solve by factoring using the zero property factor.... (answered by jim_thompson5910)
Use factoring and the zero product property to solve the equation... (answered by josgarithmetic)