Answer:
-2x^2+12x
Step-by-step explanation:
11 3/5 - 5 19/20
58/5 - 5 19/20
58/5 - 119/20
113/20
= 5.65
I hope that's help ! If you have question(s) please let me know
<span>1/2-(5/4) = x+1/4 // - x+1/4
1/2-x-(5/4)-(1/4) = 0
1/2-x-5/4-1/4 = 0
-x-1 = 0 // + 1
-x = 1 // * -1
x = -1
x = -1
</span>
" the sum " means add
the sum of 8 and a number...
8 + n <== ur expression
