Math, asked by Punipunith, 4 months ago

expand the following by using identities ( 2x+5 ) ( 2x-5 ) pls help me guzz

Answers

Answered by trilakshitha

1

Answer:

Using the identity is

(m+

a)(m+

b)=

m 2

m(a+

b)+

ab

.

Given:

(2x+

3)(2x+

5)

we apply the above identity by taking

a=

3

b=

5

m= 2x

We get,

(2x+3)(2x+5)=

(2x) 2

(2x)(3+5)+

(3×5)=

4x

2

+

(2x)(8)+

15=

4x

2

+

16x+

15

Hence,

(2x+3)(2x+5)=

4x

2

+

16x+

15

Step-by-step explanation:

Hi...

Hope it helps you...

Please mark me as Brilliantest...

Answered by salmanikallu45

0

Step-by-step explanation:

=2x+2x-5+5
=6 is answer

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