Question

(i) (2x + 5)2 = (2x – 5)2​

Answer 1

Answer:

hlw mate first of all the answer is 40x

Step-by-step explanation:

in this question we will use a Identity which is 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]

Then,here will be 10*4x=40x

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