Question

3x2-5xy- 12y2 factories​

Answer 1

Answer:

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Answer 2

$3 {x}^{2} - 5xy - 12 {y}^{2}$

Product of the numbers should be -36

Sum of numbers should be -5

Therefore the numbers are 4 and -9

$3 {x}^{2} -9xy + 4xy - 12 {y}^{2} \\ 3x(x - 3y) + 4y(x - 3y) \\ (3x + 4y)(x - 3y)$

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