Solved the even palindrome of PDA in automata theory?

How do you factor this equation using the ac method 4x3-19x2 plus 15x? How many syllables are in the word bracelet? What is the proof that angles of quadrilateral add up to 360? What is One fourth of a circle plus two tenths of a circle is what percent of a whole circle? What is the mode 17 13 12 18 17 10 27? How many hectares is 10000 square meter? What day of the week was May 23 1994? What is 459 divided by 24? Why valid measure is always reliable? How many centimeters is in 2.5mm? What is the scale of a house plan shows a wall 3cm long but is actually 3m long? What is 35 times 35 times 35 times 35 equal? How do you identify group data or ungroup data in standard deviation? How many syllables are there in launch? How do you write 9 hundred billion and 3 millions? What is 640 over 800 in simplest form? Every object every other object? What is 6 million as a percentage? Is 6.75 more than 6.50? What is one third doubeled?