Q. Solve the quadratic by factoring.6x2−18x+3=xAnswer: x=
Move Terms to One Side: Move all terms to one side of the equation to set the quadratic equation to zero.Subtract x from both sides to get 6x2−18x+3−x=0.Combine like terms to get 6x2−19x+3=0.
Factor Quadratic Equation: Factor the quadratic equation 6x2−19x+3. We need to find two numbers that multiply to (6×3)=18 and add up to −19. The numbers that satisfy these conditions are −18 and −1 because −18×−1=18 and −18+−1=−19.
Rewrite Middle Term: Rewrite the middle term −19x using the two numbers found in Step 2.6x2−19x+3=6x2−18x−x+3.
Factor by Grouping: Factor by grouping.Group the first two terms and the last two terms separately.(6x2−18x)−(x−3).Factor out the common factor of 6x from the first group and 1 from the second group.6x(x−3)−1(x−3).
Factor Out Common Factor: Factor out the common binomial factor (x−3).(6x−1)(x−3)=0.
Set Factors Equal: Set each factor equal to zero and solve for x.6x−1=0 and x−3=0.For 6x−1=0, add 1 to both sides to get 6x=1, then divide by 6 to get x=61.For x−3=0, add 3 to both sides to get 6x−1=00.
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