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Solve for x (complex solution)
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Solve for x
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fx=mx-3x-\left(m-2\right)^{2}+5
Use the distributive property to multiply m-3 by x.
fx=mx-3x-\left(m^{2}-4m+4\right)+5
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(m-2\right)^{2}.
fx=mx-3x-m^{2}+4m-4+5
To find the opposite of m^{2}-4m+4, find the opposite of each term.
fx=mx-3x-m^{2}+4m+1
Add -4 and 5 to get 1.
fx-mx=-3x-m^{2}+4m+1
Subtract mx from both sides.
fx-mx+3x=-m^{2}+4m+1
Add 3x to both sides.
\left(f-m+3\right)x=-m^{2}+4m+1
Combine all terms containing x.
\left(3+f-m\right)x=1+4m-m^{2}
The equation is in standard form.
\frac{\left(3+f-m\right)x}{3+f-m}=\frac{1+4m-m^{2}}{3+f-m}
Divide both sides by f-m+3.
x=\frac{1+4m-m^{2}}{3+f-m}
Dividing by f-m+3 undoes the multiplication by f-m+3.
fx=mx-3x-\left(m-2\right)^{2}+5
Use the distributive property to multiply m-3 by x.
fx=mx-3x-\left(m^{2}-4m+4\right)+5
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(m-2\right)^{2}.
fx=mx-3x-m^{2}+4m-4+5
To find the opposite of m^{2}-4m+4, find the opposite of each term.
fx=mx-3x-m^{2}+4m+1
Add -4 and 5 to get 1.
fx-mx=-3x-m^{2}+4m+1
Subtract mx from both sides.
fx-mx+3x=-m^{2}+4m+1
Add 3x to both sides.
\left(f-m+3\right)x=-m^{2}+4m+1
Combine all terms containing x.
\left(3+f-m\right)x=1+4m-m^{2}
The equation is in standard form.
\frac{\left(3+f-m\right)x}{3+f-m}=\frac{1+4m-m^{2}}{3+f-m}
Divide both sides by f-m+3.
x=\frac{1+4m-m^{2}}{3+f-m}
Dividing by f-m+3 undoes the multiplication by f-m+3.