1.

Solve the equation and give the answer till 2 decimal points- x2-5x-10

Answer» ASSUMING the QUESTION to be

X^2-5x -10 = 0

Completing the SQUARE

x^2-(2)(5/2)x +25/4 = 10 + 25/4
(x - (5/2))^2= 55/4
x - 2.5 = |(55/4)^(1/2)|

x - 2.5 = 3.708 or x - 2.5 = -3.708

Therefor x= +6.20
or x= -1.20


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