11. AC = X+6 and BD = 8x - 9.
![11 AC X6 And BD 8x 9 class=](https://ph-static.z-dn.net/files/d18/ad21624f91998889557a8fa92c758d3b.jpg)
Answer:
kung ang tanong ay measure:
x²+6 = 8x-9
x² -8x +6 +9 = 0
x² -8x +15 = 0
both AC and BD (x-3)(x-5)
sana makatulong