Samuel used the distributive property to simplify the expression -6(-2 - 10x) - 7x and came up with 53x - 12 which is incorrect.
What is Samuel’s mistake? What is the correct answer?
1 answer:
Answer:
He messed up the signs, most likely by multiplying incorrectly. It should be 53x+12.
Step-by-step explanation:
You begin by multiplying both -2 and -10x by -6.
Remember a negative times a negative makes a positive.
-6(-2-10x)
12+60x
Then you need to combine like terms which are 60x and -7x
60x-7x
53x
So that means the final answer will be
53x+12
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