solve by factoring: 81xsquared - 121= 0?

0 ⤊

i have a booklet that i have to hand in on the first day of school and this is one of the questions. please help

2006-08-29 13:03:05 · 2 answers · asked by lovexoxolove 2 in Education & Reference ➔ Homework Help

81x^2-121=0
(9x-11)*(9x+11)=0

the roots are -11/9 and +11/9

2006-08-29 13:07:34 · answer #1 · answered by odu83 7 · 0⤊ 0⤋

(9x + 11) (9x - 11) = 0

2006-08-29 20:08:00 · answer #2 · answered by Iowan4321 2 · 0⤊ 0⤋