Question

solve the following 4x²-25=0​

Answer 1

Solution :

$\: \: \: \: \: \: \: {4x}^{2} - 25 = 0$

$= > (2x) ^{2} - {5}^{2} = 0$

$= > (2x - 5)(2x + 5) = 0$

$= > 2x - 5 = 0 \: \: \: \: or \: \: \: \: 2x + 5 = 0$

$= > 2x = 5 \: \: \: \: or \: \: \: \: 2x = - 5$

$= > x = \frac{5}{2} \: \: \: \: or \: \: \: \: x = \frac{ - 5}{2} .$

Answer 2

Answer:

answer is + 5/2 or. - 5/2.

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