Solve for x in the equation x^2-12x+36 = 90
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It takes 6 days for both of them to have same number of followers
<em><u>Solution:</u></em>
Let "x" be the number of days
<h3><u>Case 1:</u></h3><em><u>Celebrity A has 400 followers on social media and is gaining 75 followers each day</u></em>
We can frame a equation as:
Celebrity A : 400 + 75(number of days)
Celebrity A : 400 + 75x --------- eqn 1
<h3><u>Case 2:</u></h3><em><u>Celebrity B has 1,000 followers on social media, but is losing 25 followers a day</u></em>
We can frame a equation as:
Celebrity B : 1000 - 25(number of days)
Here we use negative sign to denote losing of followers
Celebrity B : 1000 - 25x --------- eqn 2
For both of them to have same number of followers, eqn 1 must be equal to eqn 2
Thus it takes 6 days for both of them to have same number of followers