Just replace x with whatever , and see if it works. If it works then it is a solution; otherwise it's not.
1^2 is not 2
(1/2)^2 isn't 2 either...
and so on
Answer:
x-7x+5
Step-by-step explanation:
4+x-7x+1
x-7x+5
7.5*10*3+6*4*2=273
3 rectangles + 2 triangles (1/2b times height)
