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Simplify this expression. 4(9n-9) a. -10n+20 b. -10n+19 c. 36n-36 d. -8n+56
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Simplify this expression. 4(9n-9) a. -10n+20 b. -10n+19 c. 36n-36 d. -8n+56
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Oct 16, 2017
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Simplify this expression.
4(9n-9)
a. -10n+20
b. -10n+19
c. 36n-36
d. -8n+56
Mathematics
high-school
Havenard
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C. If you multiply 4 times 9= 36n- 36(you have to multiply all the numbers in the parenthesis by the outside number.
Bart Schuller
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Oct 18, 2017
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4(9n-9)
= 4*9n -4*9 (distributive property)
= 36n -36
The correct answer is
c.
36n -36
~
Alex Van Den Hoogen
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Oct 22, 2017
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Alex Van Den Hoogen
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