Answer:
Its the rectangle
Step-by-step explanation:
Answer:

Explanation:
Given:

See attachment for shape
Required
Find x
The attached shape is a rectangle.
So:


Divide both sides by 4



Answer: it's 375
Step-by-step explanation:
-x^2+7x+12
Let’s use distributive property
6(x+2)-x(x-1)
6x+12
Now the other part of the expression
-x(x-1)
-x^2+x
Put both parts of the expression together
6x+12 -x^2+x
-x^2+7x+12
Hope this helps