(4x-5x) (4x+5y)-(3x+2y)(3x-2y)
Lavkirankaur:
(4x-5y)*
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25x^2+14y^2....................
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the question is wrong it should be:
(4x-5y) (4x+5y)-(3x+2y)(3x-2y)
[(4x)² - (5y)²] - [(3x)² - (2y)²]
[16x² - 25y²] - [9x² - 4y²]
7x² - 21y²
(√7x)² - (√21y)²
(√7x-√21y)(√7x-√21y)
Hope this helps!
(4x-5y) (4x+5y)-(3x+2y)(3x-2y)
[(4x)² - (5y)²] - [(3x)² - (2y)²]
[16x² - 25y²] - [9x² - 4y²]
7x² - 21y²
(√7x)² - (√21y)²
(√7x-√21y)(√7x-√21y)
Hope this helps!
Thanx Shashank Goswami
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