x² - y² + 6y – 9 ...plz solve this
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Answered by
3
x²-y²+6y-9
=x²-(y²+9-6y)
=x²-(y²-3y-3y+9)
=x²-(y(y-3)-3(y-3)
=x²-(y-3)(y-3)
=x²-(y-3)²
{ a²-z²=(a+z)(a-z) }
=[x+(y-3)] [x-(y-3)]
= (x+y-3)(x-y+3)
Hence,
x²-y²+6y-9 = (x-y+3)(x+y-3)
hope helped !
=x²-(y²+9-6y)
=x²-(y²-3y-3y+9)
=x²-(y(y-3)-3(y-3)
=x²-(y-3)(y-3)
=x²-(y-3)²
{ a²-z²=(a+z)(a-z) }
=[x+(y-3)] [x-(y-3)]
= (x+y-3)(x-y+3)
Hence,
x²-y²+6y-9 = (x-y+3)(x+y-3)
hope helped !
Answered by
2
Hello Friend,
Here's the solution in the picture.
Hope it helps.
Purva
@Purvaparmar1405
Brainly.in
Here's the solution in the picture.
Hope it helps.
Purva
@Purvaparmar1405
Brainly.in
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