Question

16(x+y)^2-25(x-3y)^2 ​

Answer 1

Answer:

16(x+y)2=25(x_3)4

Step-by-step explanation:

16(x+y)2_25(x_3y)2

16(x+y)+×_25(x€3y)2

Answer 2

$16(x ^{2} + 2xy + y ^{2} ) - 25(x - 3y {2} )$

$16x ^{2} + 32xy + 16y ^{2} - 25(x - 3y ^{2} )$

$16x ^{2} + 32xy + 16y ^{2} - 25(x ^{2} - 2x \times 3y + (3y)^{2} )$

$16x ^{2} + 32xy + 16y ^{2} - (25x ^{2} - 150xy + 225y^{2} )$

$16x ^{2} + 32xy + 16y ^{2} - 25x ^{2} + 150xy - 225y ^{2}$

$(16x ^{2} - 25x ^{2} ) + (32 + 150xy) +( 16y ^{2} - 225y ^{2} )$

$- 9x ^{2} + 182xy - 209y ^{2}$

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