Question

: 16x2 + 40xy + 2sy2 - 1​

Answer 1

Answer:

It is, (4x+5y)^2

It is, 16x^2+40xy+25y^2=(4x)^2+2⋅4x⋅5y+(5y)^2

=(4x+5y)^2

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Answer 2

Answer:

16x^2 + 25y^2 + 40xy -1

(4x + 5y) ^2 -1

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