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• Complex numbers step by step
• Regular Equations Step by Step
• Mathematical logic step by step

• How to use it?

• Least common denominator:
• ((z^2+1)^2/(4*z^2))/(13+12*((z^2+1)/2*z*z))
• -z/1-z/2
• y*(y+((1/(x+(x^2+y^2)^(1/2))*(1+(2*x/(2*(x^2+y^2)^(1/2)))))))-(y/(x^2+y^2)^(1/2))
• (y/x*y-x2+x/x*y-y2)
• Factor polynomial:
• z^3-6*z^2+5*z+12
• z^3-6*z^2+21*z-26
• z^3-5*z^2+9*z-45
• z^3+5*z^2+4*z-10
• Factor squared:
• -y^4+y^2+2
• y^4-y^2-13
• -y^4-8*y^2-2
• -y^4+8*y^2+2
• How do you in partial fractions?:
• (5*x^2-3*x-2)/(5*x^2+2*x)
• x^(2*n)/(x^n-1)^2
• (x^2+6*x+8)/(x+4)
• -3/(x*x^3)

• Identical expressions

• -z/ one -z/ two
• minus z divide by 1 minus z divide by 2
• minus z divide by one minus z divide by two
• -z divide by 1-z divide by 2

• Similar expressions

• z/1-z/2
• -z/1+z/2