Question

5x^2+17xy-12y^2


factorise



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Answer 1

${5x}^{2} + 17xy - {12y}^{2} \\ \\ {5x}^{2} + 20xy - 3xy - {12y}^{2} \\ \\ 5x(x + 4y) - 3y(x + 4y) \\ \\ (x + 4y)(5x - 3y)$

Answer 2

Answer:

5x^2 + 17xy - 12y^2

5x^2 + 5xy + 12xy - 12y^2

5x (x - y ) + 12 y ( x - y )

(5x + 12y ) (x-y).