Question

16(x+y)^2-25(x-3y)^2​

Answer 1

Answer:

Step-by-step explanation:

(-9x - 11y) • (x + 19y)

Step  1  :

Equation at the end of step  1  :

(16 • ((x - y)2)) - 25 • (x + 3y)2

Step  2  :

Equation at the end of step  2  :

16 • (x - y)2 - 25 • (x + 3y)2

Answer 2

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

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

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

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

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

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

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

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