Answer:
x= 13/2
Step-by-step explanation:
multiply 4x4+4x3-9x2-x+2=x-1
calculate 16+12-18-x+2=x-1
move the terms 12-x=x-1
collect like terms calculate -x-x=-1-12
divide both sides -2x=-13
solution x=13/2
Answer:
0
Step-by-step explanation:
20 percent of 8000 = 1600
1600 x 5= 8000
8000 - 8000 = 0
Answer:
1
Step-by-step explanation:
Subtract 8 from 9 to get 1
Answer:
You're welcome
Step-by-step explanation:
Yes that is one way. You can also prove that a shape is a square by looking at the angles and each side are congruent to each other