Answer:
7(x-2)(x+2)
Step-by-step explanation:
7x^2 -28
Factor out a 7
7(x^2 -4)
The terms inside the parentheses is the difference of squares, so it is factorable (a^2-b^2) = (a-b)(a+b)
7(x-2)(x+2)
Answer:
- 610
Step-by-step explanation:
If you would illustrate the problem, you will be able to
formulate a triangle with the measurement of the hypotenuse (distance between
the two shops) to be missing. Using the Pythagorean Theorem, the formula to
compute for the hypotenuse is:
c = √a^2 + b^2
c = √(20)^2 + (13.5)^2
c = √400 + 182.25
c = √582.25
c = 24.13 km
Therefore, the distance between the two shops
is approximately 24.13 km.
