Answers

  • Brainly User
2016-07-10T00:14:39+08:00
No.  Because the equation given has no middle term, bx.

Remember that in completing the square, the pattern is:

x² + bx + (b/2)² = c + (b/2)²

The given equation 4x² - 25 = 0 has the following coefficients:

    a = 1     b = 0      c = -24  

Solve the equation by extracting the roots:

4x² = 25

4x²/4 = 25/4

x² = 25/4

 \sqrt{ x^{2} } = \sqrt{ \frac{25}{4} }

x = +5/2  and  -5/2


0