Q. Solve for x. Enter the solutions from least to greatest.x2+9x+18=0 lesser x=□ greater x=□
Identify the quadratic equation: Identify the quadratic equation to be solved.We have the quadratic equation x2+9x+18=0. We need to find two numbers that multiply to 18 and add up to 9.
Factor the quadratic equation: Factor the quadratic equation.The two numbers that multiply to 18 and add up to 9 are 3 and 6, since 3×6=18 and 3+6=9.So we can write the equation as (x+3)(x+6)=0.
Solve for x using zero product property: Solve for x using the zero product property.If (x+3)(x+6)=0, then either x+3=0 or x+6=0.
Solve the first equation: Solve the first equation x+3=0.Subtract 3 from both sides to get x=−3.
Solve the second equation: Solve the second equation x+6=0.Subtract 6 from both sides to get x=−6.
Write the solutions in ascending order: Write the solutions in ascending order.The solutions are x=−6 and x=−3, with −6 being the lesser value and −3 being the greater value.
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