Which expression is equivalent to 9 x to the 5th power plus 3 x open paren 4 x to the 4th power minus 3 x squared close paren squared ?
A
48 x to the 9th power plus 9 x to the 5th power minus 9 x to the 4th powerB
48 x to the 9th power minus 72 x to the 7th power plus 36 x to the 5th powerC
48 x to the 9th power plus 36 x to the 5th powerD
48 x to the 9th power minus 24 x to the 6th power plus 9 x to the 5th power plus 9 x to the 4th power