Respuesta :

Answer:

ther I hope its right

Step-by-step explanation:

(12x - 7). ... 7= 3 X-3. 8x + 4. 10x² +14x4. 6. (-4x2 - 6x - 1) = (5x2 + 2x + 8). 3x-3. -9x² - 4x-9. 12.

A triangle has 3 sides. You provided the length of 2 sides. Where's the third side?