Question

(2x-1) (2x+1)
please answer me
I hope you help me ​

Answer 1

Answer:

Question :-

(2x-1) (2x+1)

Required Answer :-

${4x}^{2} - 1$

Formula used :-

$(a + b)(a - b) = {a}^{2} - {b}^{2}$

Solution :-

$(2x-1) (2x+1)$

${(2x)}^{2} - {(1)}^{2}$

$= {4x}^{2} - 1$

Answer 2

Apply the distributive property.

2

x

(

2

x

−

1

)

+

1

(

2

x

−

1

)

Apply the distributive property.

2

x

(

2

x

)

+

2

x

⋅

−

1

+

1

(

2

x

−

1

)

Apply the distributive property.

2

x

(

2

x

)

+

2

x

⋅

−

1

+

1

(

2

x

)

+

1

⋅

−

1