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Factoriza 4x²-y²-6y-9

User Vineesh
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2 Answers

4 votes
=4x²-(y²+6y+9)
=(2x)²-(y+3)²
=(2x+y+3)*(2x-y-3)
User Archit Gupta
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3 votes

4 x^(2) -y^(2) -6y-9 \\ 4 x^(2) = y^(2) +6y+9 \\ 4 x^(2) =(y+3)(y+3) \\ \sqrt{ 4x^(2) } = √((y+3)(y+3)) =\\2x=y+3\\2x-3=y

y=2x-3
User Yochi
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