Can You Solve This By Using The Quadratic Formula?
I am having trouble trying to use the quadratic formula for this problem: X^2 - 3x = 7x - 2
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See the quadratic formula in the picture (note the + sign). There are two solutions one using plus one using minus.
x2 - 3x - 7x - 2 = 0 :Get every thing on one side
x2 -10x - 2 = 0 :Simplify
a=1, b=-10, c=-2 Define a, b, & c
First root
x = =(-(-10)+SQRT((-10)*(-10)-4*1*(-2)))/2*1
x = 10.19615
Second root
x = =(-(-10)-SQRT((-10)*(-10)-4*1*(-2)))/2*1
x = -0.19615
x2 - 3x - 7x - 2 = 0 :Get every thing on one side
x2 -10x - 2 = 0 :Simplify
a=1, b=-10, c=-2 Define a, b, & c
First root
x = =(-(-10)+SQRT((-10)*(-10)-4*1*(-2)))/2*1
x = 10.19615
Second root
x = =(-(-10)-SQRT((-10)*(-10)-4*1*(-2)))/2*1
x = -0.19615
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