a couch and coffee table cost a total of $1208. the cost of the couch is three times the cost of the coffee table. find the cost
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Answer:
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Step-by-step explanation:
The given quadratic equation is
Group the constant terms on the right hand side.
Divide through by 5.
Add the square of half the coefficient of x., which is to both sides of the equation.
The left hand side is now a perfect square.
Take the square root of both sides;
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