Question

81(x+y)^2-16(x-y)^2
plz slove ​

Answer 1

Answer:

STEP

1

:

Equation at the end of step 1

(81 • ((x + y)2)) - 16 • (x - y)2

STEP

2

:

Equation at the end of step 2

81 • (x + y)2 - 16 • (x - y)2

STEP

3

:

3.1 Evaluate : (x+y)2 = x2+2xy+y2

3.2 Evaluate : (x-y)2 = x2-2xy+y2

Trying to factor a multi variable polynomial :

3.3 Factoring 65x2 + 194xy + 65y2

Try to factor this multi-variable trinomial using trial and error

Found a factorization : (13x + 5y)•(5x + 13y)

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