Answer:
54779098.9847
Step-by-step explanation:
You add them together
Ingredients please.ingredients are not mentioned
Step-by-step explanation:
First
Outer
Inner
Last
First- 5x*2x=10x^2
Outer-5x*-1= -5x
Inner--7*2x= -14x
Last- -7*-1= 7
10x^2-5x-14x+7
you can simplify it further however thats the answer