It is an algebraic expression that can be simplified to: 4.5a-2.5
2a-5
2a+5
4a2 - 9a + 5 = 4a2 - 4a -5a + 5 = 4a(a - 1) - 5(a - 1) = (4a - 5)(a - 1)
2 minus 2/5 plus 1/2 minus 4 = -1.9
2 minus 5/2 equals -1/2
Unfortunately, 2 over 2 minus 1 equals 5 over 6 is just a wrong answer! If it is 2 over 2, minus 1, the answer is that it equals zero. If it is 2, over 2 minus 1, the answer is that it equals 2.
2/5 minus 4/9 equals -2/45
2/5 minus 1/15 is 1/3
It is: 2/7 minus 5/8 is = -19/56
It is: 4/5 minus 1/2 = 3/10
1/2 minus 5/32 is 11/32
7/11 minus 2/5 is 13/55