This is a difference of perfect squares which is of the form:
(a^2-b^2)
And which always factors to:
(a-b)(a+b)
In this case:
(5x-8)(5x+8)
15 years ago pack
= 4 x 0.50 + 0.04
= 2.04
15 years ago, pack costed $2.04
Hope this helps. - M
Answer:
X = 24
Step-by-step explanation:
Add 9 To Both Sides
X - 9 + 9 = 15 + 9
Simplify
X = 24
Best Of Luck,
- I.A. -