Math, asked by shyamlalmaurya320536, 6 months ago

(i) (2x + 5)^2 - (2x - 5)^2​

Answers

Answered by raashieawatade25
0

Answer:

Brainly.in

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shi7

shi7

18.10.2017

Math

Secondary School

+5 pts

Answered

Simplify. (2x+5)square -(2x-5)square?

2

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NIRANJAN45

NIRANJAN45

(2x+5) ^2-(2x-5) ^2

by using identity

a^2-b^2=(a-b) (a+b)

here

a=(2x+5)

b=(2x-5)

so

(2x+5) ^2-(2x-5) ^2=[2x+5-(2x-5) ][2x+5+2x-5]

=10×4x

=40x

plz Mark me as brainliest

Answered by udithya
0

Answer:

20 is the answer

Step-by-step explanation:

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