Answer:
4. C. x = 4 or -4
Step-by-step explanation:
since both terms are perfect squares, factor using the difference of squares formula, a² - b² = ( a + b ) ( - b ) where
The room is rectangular and is 10 2/3 feet by 6 1/4 feet. How many feet of wallpaper border do you need?
2 answers:
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