Factorize:
25(x+y)²-16(x-y)²
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36
hey, here is your answer --
25(x+y)^2 - 16 (x-y)^2
= { 5 (x+y)}^2 - {4(x-y)}^2
= { 5(x+y) + 4(x-y)} { 5(x+y) - 4(x-y)}
= ( 5x + 5y + 4x - 4y ) ( 5x + 5y - 4x + 4y)
= ( 9x + y ) ( x + 9y )
★ hope u like it ★
25(x+y)^2 - 16 (x-y)^2
= { 5 (x+y)}^2 - {4(x-y)}^2
= { 5(x+y) + 4(x-y)} { 5(x+y) - 4(x-y)}
= ( 5x + 5y + 4x - 4y ) ( 5x + 5y - 4x + 4y)
= ( 9x + y ) ( x + 9y )
★ hope u like it ★
smartyrahul:
it helped me
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8
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