Question

( 2x + 5) ( 2x - 5) = ----------------

Answer 1

Step-by-step explanation:

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

(2x)2 - (5)2

4x2 - 25

By using (a-b)(a+b) = a2-b2

Answer 2

Answer:

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

2x(2x)+2x⋅

5−5(2x)−5⋅5

4x−25

By using (a+b)(a-b)=a² b²

Step-by-step explanation:

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