77/20 = 3.85 <== terminating decimal
Let the number be x
The sum of 2 equal numbers is simply x+x or 2x.
A fact family is basically just different equations with the same numbers getting the same/different numbers as answers you might say...
this will make more sense:
5x8=40
8x5=40
40/8=5
40/5=8
Simplify the expression.
2x^3-10x^2+22x-14
