(2x-3y) (3x+y) + (x+2y) (x-y)
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(2x-3y)(3x+y) + (x+2y)(x-y)
= (6x²+2xy-9xy-3y²) + (x²-xy+2xy-2y²)
= (6x² -7xy -3y²) + (x² +xy -2y²)
= 7x² -6xy - 5y²
= (6x²+2xy-9xy-3y²) + (x²-xy+2xy-2y²)
= (6x² -7xy -3y²) + (x² +xy -2y²)
= 7x² -6xy - 5y²
utsav95:
simplify the following:
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