Subtract the sum of (12ab 10b 2 18a 2 )and (9ab 12a 2 14b 2 − − + + ) from the sum of (ab 2b 2 ) and (3b 2 a 2 + − ).

Question

(ab+2b  2  +3b  2  −a  2  )−((12ab−10b  2  −18a  2  )+(9ab+12b  2  +14a  2  )) and ab+2b  2  +3b  2  −a  2  −12ab−10b  2  −18a  2  +9ab+12b  2  +14a  2 . Which one is the correct solution for the question given above.