Question

Simplify the following
(2x + 5y (2x - 5​

Answer 1

Answer:

4x is the correct answer according to me

Answer 2

Answer:

9th

Maths

Polynomials

Algebraic Identities

Simplify (2x - 5y)3 - (2x...

MATHS

Simplify (2x−5y)

3

−(2x+5y)

3

MEDIUM

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ANSWER

We have,

(a−b)

3

=a

3

−b

3

−3ab(a−b)

(a+b)

3

=a

3

+b

3

+3ab(a+b)

(2x−5y)

3

−(2x+57)

3

=(8x

3

−125y

3

−30xy(2x−5y))−(8x

3

+125y

3

+30xy(2x+5y))

=8x

3

−125y

3

−60x

2

y+150xy

2

−8x

3

−125y

3

−60x

2

y−150xy

2

=−250y

3

−120x

2

y

Step-by-step explanation:

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