31-10-2015
Mathematics

contestada

solve the quadratic equation (2x+5)(2x-5)

Respuesta :

31-10-2015

If you want to multiply (2*x + 5) and (2*x - 5), you can do this using the following steps:

(2*x + 5) * (2*x - 5) = 4*x^2 - 10*x + 10*x - 25 = 4*x^2 - 25

The correct result is 4*x^2 - 25.

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