Find the area of two sides (Length*Height)*2 sides.
Find the area of adjacent sides (Width*Height)*2 sides.
Find the area of ends (Length*Width)*2 ends.
Add the three areas together to find the surface area.
Example: The surface area of a rectangular prism 5 cm long, 3 cm. Hope this helps?!
Yes sure thing, i would love to help you.
Answer:
x^2 - 6x - 7
Step-by-step explanation:
Roots, 7 and -1
x = 7 is the same as x - 7 = 0
x = -1 is the same as x + 1 = 0
multiply (x-7) by (x + 1)
x(x -7) +1(x - 7)
x^2 -7x + x - 7
x^2 - 6x - 7