Question

solve this fast it is urgent
(2x + 5)² - (2x - 5)²​​

Answer 1

Answer:

find the smallest number by which 3035 must be divided to obtained to be a perfect square root. Also find the square root of the perfect number.

Answer 2

Answer:

40x

Step-by-step explanation:

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

(4x^2 +20x + 25)-(4x^2 -20x + 25).

[ (a+b)^2 =a^2+2ab+b^2 ]

[ (a-b)^2 = a^2-2ab+b^2 ]

4x^2 + 20x +25 - 4x^2 + 20x - 25

4x^2 - 4x^2 +20x + 20x +25 -25

40x

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