Answer:
21n² - 28n + 7
Step-by-step explanation:
Each term in the second factor is multiplied by each term in the first factor, that is
3n(7n - 7) - 1(7n - 7) ← distribute both parenthesis
= 21n² - 21n - 7n + 7 ← collect like terms
= 21n² - 28n + 7
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The scale of a drawing is the RATIO that all parts of an object are reduced or magnified by
Answer:
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Step-by-step explanation:
thisis the answer
(X+4)(X-4) is the LCD because you just have to look at the denominators and see what factors or values are not already part of your LCD.