Question

16x² + 73 x + 81

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Answer 1

Answer:

16x^2=81

4*4 x^2=9*9

x^2=(9*9)/(4*4)

SQRT (x^2)=SQRT{(9*9)/(4*4)}

IF both the numerator and denominator are positive or negative

x=9/4 =2.25

If anyone of numerator or denominator is negative