IQ 2Write the following sets in the roaster form.
C = {x:x° +7x - 8 = 0,X E R) (Skill)
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C = {x: x^2 + 7x - 8 = 0, x€R}
Here, C is the set of all real numbers for which the equation x^2 + 7x - 8 yields zero(0).
=> x^2 + 7x - 8 = 0
=> x^2 +8x - x - 8 = 0
=> x(x+8) -1(x+8) = 0
=> (x+8)(x-1) = 0
=> x = -8 ......... or ......... x = 1
Therefore, C in roster form is:
C = {-8, 1}.
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