(8)/(x+9) + (5)/(4x+36)=
2006-11-13 00:12:23 · 5 answers · asked by gloria j 1 in Science & Mathematics ➔ Mathematics
notice that (4x+36) has a factor of (x+9) and set up on fraction with a denomicator of (x+9)
2006-11-13 00:16:44 · answer #1 · answered by Stuart T 3 · 0⤊ 0⤋
8/(x+9)+ 5/(4x+36)
=32/(4x+36) + 5/(4x+36) = 37/(4x+36)
Simply make the denominators the same so you can then add.
2006-11-13 08:21:01 · answer #2 · answered by ironduke8159 7 · 0⤊ 0⤋
(8) / (x + 9) + (5) / (4x + 36) =
(8) / (x+9) + (5) / (4*(x+9)) =
8 / (x+9) + 5/4 * 1/(x+9) =
8 / (x+9) + 1.25 / (x+9) =
9.25 / (x+9)
2006-11-13 09:04:09 · answer #3 · answered by C D 3 · 0⤊ 0⤋
(8)/(x+9) + (5)/(4x+36)
= ((8)*(4x+36) + (5)*(x+9))/(4x+36)*(x+9)
= (32x+288) + (5x+45))/(4x+36)*(x+9)
= (37x + 333)/(4x+36)*(x+9)
= (37x + 333)/(4x^2 + 72x + 324)
2006-11-13 09:15:12 · answer #4 · answered by Paritosh Vasava 3 · 0⤊ 0⤋
37/4(x+9)
2006-11-13 08:18:14 · answer #5 · answered by Rajkiran 3 · 0⤊ 0⤋