Question

24. (5x-1+6y)(5x-1-6y)​

Answer 1

Answer:

Your Answer is here dear !

= $(5x - 1 + 6y)(5x - 1 - 6y)$

= $5x(5x - 1 - 6y) - (5x - 1 - 6y) + 6y(5x - 1 - 6y)$

= $25x {}^{2} - 5x - 30xy - (5x - 1 - 6y) + 6y(5x - 1 - 6y)$

= $25x {}^{2} - 5x - 30xy - (5x - 1 - 6y) + 30yx - 6y - 36y {}^{2}$

= $25x {}^{2} - 5x - 30xy - 5x + 1 + 6y + 30yx - 6y - 36y {}^{2}$

= $25x {}^{2} + ( - 5x - 5x) + ( - 30xy + 30xy) + 1 + (6y - 6y) - 36y {}^{2}$

= $25x {}^{2} - 10x + 1 - 36y {}^{2}$

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