(2x + 3y + 5)(2x + 3y - 5)
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Answer:
(2x+3y+5) (2x+3y-5)
= 2x (2x+3y-5) +3y(2x+3y-5) +5(2x+3y-5)
= 4x²+6xy-10x+6xy+9y²-15y+10x+15y-25
= 4x²+6xy+6xy-10x+10x+9y²-15y+15y-25
= 4x²+12xy+0x+9y²+0y-25
= 4x²+12xy+9y²-25
HOPE IT HELPS UH...!!
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