Q. Solve for x. Enter the solutions from least to greatest.3x2+36x+81=0 lesser x=□ greater x=□
Identify Quadratic Equation: Identify the quadratic equation to solve.The given quadratic equation is 3x2+36x+81=0. We need to find the values of x that satisfy this equation.
Factor Quadratic Equation: Factor the quadratic equation, if possible.The quadratic equation 3x2+36x+81 can be factored as (3x+9)(x+9)=0, because 3x2+36x+81 is a perfect square trinomial.
Set Factors Equal: Set each factor equal to zero and solve for x.First factor: 3x+9=0Second factor: x+9=0For the first factor:3x+9=03x=−9x=−9/3x=−3For the second factor:x+9=0x=−9Both factors give us the same solution for x.
Check Solutions: Check the solutions.Plugging x=−3 into the original equation:3(−3)2+36(−3)+81=027+(−108)+81=00=0The solution x=−3 satisfies the original equation.
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