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Collins
Mathematics
22 December, 13:40
Find the missing factor 5y^2-12y+7 = (y-1) ()
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Bradford
22 December, 13:41
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The correct answer is 5y-7
Step-by-step explanation:
Given that a quadratic expression is in the form ax²+bx+c where a, b and c are integers, we can factorize as follows
To factorize the expression 5y^2-12y+7, we need to find two numbers that when multiplied we get 5*7, that is ac, and that when added they give us - 12 which is b,
these numbers are - 7 and - 5
therefore, 5y²-5y-7y+7 is our expression
Factorizing we get
5y (y-1) - 7 (y₋1)
This gives (y-1) (5y-7) as the factorized form of 5y²₋12y+7
Therefore the missing factor is 5y-7
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Lorelai Ross
22 December, 14:07
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Missing factor: (5y-7)
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