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Q. 9. What should be the value of a if the value of $2x^{2}+x-a$ equals to $5$ , when $x=0?$

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$\\2x^2 + x - a = 5 \\2 \times 0^2 + 0 - a = 5 \\-a = 5 \\a = -5$

Therefore for a = -5 when the value of x=0

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