Question

(11) Find roots of x2 - 0.25 = 0.​

Answer 1

Answer:

x = ±0.5

Step-by-step explanation:

x² - 0.25 = 0.​

=>  x² - (0.5)² = 0

=> (x+0.5)(x-0.5) = 0

=> either x+0.5=0  or x-0.5=0

=> either x = -0.5  or x = 0.5

=> x = ±0.5

Answer 2

Answer:

${x}^{2} - \frac{25}{100} = 0 \\ x - \frac{5}{10} = 0 \: \: \: \: \: \: \: on \: removing \: the \: square \: root \\ x = \frac{5}{10} \\ x = 0.5$

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