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Fiesta
Mathematics
7 February, 22:02
What is the factored form of x2 + 3xy - 28y2?
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Powder
7 February, 22:05
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X^2 + 3xy - 28y^2
What are the factors of 28 that subtract to give you 3?
1 * 28, 2*14, 4*7, 7*4, 14*2, 28*1
1-28 = - 27
2-14 = - 12
4 - 7 = - 3
7 - 4 = 3
14 - 2 = 12
28 - 1 = 27
(x + 7y) (x - 4y)
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Rocco Ruiz
7 February, 22:21
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(x-4y) (x+7y) is the answer
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