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19.03.2021 •
Mathematics
Jordyn wants to gain less than 5 pounds over the Christmas break
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Ответ:
Ответ:
A. 2(3xy + 4xy - 4xy -8y) = 2(3xy - 8y)
B. 2y(3x - 8)
Step-by-step explanation:
a. Given that;
2x3y + 8xy − 4x2y − 16y
the greatest common factor in the expression is 2, so that;
2x3y + 8xy − 4x2y − 16y = 2(3xy + 4xy - 4xy -8y)
= 2(3xy - 8y)
Rewritting the expression, we have;
2x3y + 8xy − 4x2y − 16y = 2(3xy - 8y)
Thus factoring out the greatest common factor, the expression becomes;
2(3xy - 8y)
b. To factor the expression completely,
2x3y + 8xy − 4x2y − 16y = 6xy + 8xy - 8xy - 16y
= 6xy -16y
= 2(3xy - 8y)
Then, the entire expression can be factorized as;
2y(3x - 8)