find the roots of 4 x square + 3 X + 5 equal to zero by the method of completing the square
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Answer:
The roots are imaginary.
Step-by-step explanation:
=>4x^2 +3x +5 =0
=> x^2 +3x/4 +5/4=0
=>x^2 + 3x/4 = -5/4
=>x^2 +3x/4 +(3/8)^2 = -5/4 +(3/8)^2
=> (x+3/8)^2 = -5/4 + 9/64
=> (x+3/8)^2 = -71/64
Since square of a number can't be negative the equation has imaginary roots.
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