2x^2-xy-15y^2
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2x^2-xy-15y^2
2x^2-5x-12
2x^2-5x-12
![2x^2-xy-15y^2](/uploads/image/z/6144604-52-4.jpg?t=2x%5E2-xy-15y%5E2)
2x^2-xy-15y^2
=2x²-6xy+5xy-15y²
=2x(x-3y)+5y(x-3y)
=(x-3y)(2x+5y)
2x^2-5x-12
=2x²-8x+3x-12
=2x(x-4)+3(x-4)
=(x-4)(2x+3)
=2x²-6xy+5xy-15y²
=2x(x-3y)+5y(x-3y)
=(x-3y)(2x+5y)
2x^2-5x-12
=2x²-8x+3x-12
=2x(x-4)+3(x-4)
=(x-4)(2x+3)