Answer:
Step-by-step explanation:
see file
-1/2
is this year 3 math? Its 4
-2, -5
h2 + 7h + 10 = 0
h^2 +7h + 10 = 0
h^2 +2h +5h + 10 = 0
h(h+2) + 5(h+2) = 0
h+2 = 0 or h+5 = 0
h = -2 or h = -5
1= 5/4
2= -103/40
1st explanation
-12/15 + 4/5 + 7/12
-8 + 48 + 35/60
75/60
5/4
2nd explanation
-1 3/5 + 5 1/8 - 6 1/10
-8/5 + 41/8 + 61/10
- 64 + 205 + 244 / 40
-103/140
-103 / 40
