The area of a rectangle with base b and height h is bh. a rectangular sports goal is 10ft wide and 8 ft high. find the area of the opening

A = bh

A = 10(5)

A = 50 ft2

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!