A movie theater has 24 screens. The ratio of action films to other films currently showing on all of the screens 1:2. How many a
2 answers:
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Factor each of the following differences of two squares and write your answer together with solution.
Rewrite . The difference of squares can be factored using the rule:
.
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<h3><u>2. 49 - x²</u></h3>Rewrite 49-x² as 7²-x². The difference of squares can be factored using the rule: .
Reorder the terms.
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<h3><u>3. 81 - c²</u></h3>Rewrite 81-c²as 9²-c². The difference of squares can be factored using the rule: .
Reorder the terms.
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<h3><u>4</u><u>.</u><u> </u><u>m²</u><u>n</u><u>²</u><u> </u><u>-</u><u> </u><u>1</u></h3>Rewrite m²n² - 1 as . The difference of squares can be factored using the rule:
.