What should be the the value A if the value of 2x square +x-a equals to 5 ,when x =0

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Solution

2x²+ x - a = 5

Putting x = 0 in the equation,

⇒ 2*(0 )²+ 0 - a = 5

⇒ 0 + 0 - a = 5

⇒ - a = 5

multiplying both sides by ( - )

⇒ -(- a) = - 5

⇒ a = -5 Ans.

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