Solving Cubic Equations with real Numbers
Solve Factored Equations
100
x= +,-5, -2/3
What is 3x^3+2x^2-75x-50=0
100
x= -9, x= 2i, x=0
What is (x+9)(x^2+4)=0
200
x=-5/2, =,- square root -25
What is 2x^3+5x^2+50x+125=0
200
X= =,- 8/9, x= 3i
What is ​(81x^2-64)(x^2+9)=0
300
x= +,- square root of 10, x= 2
What is x^3-2x^2-10x+20=0
300
x= =,- square root of 14, x=4
What is -2x(x-4)(x^2-14)=0
400
x= -7, x= +,- square root of -16
What is x^3+7x^2+16x+112=0
400
x= -2/3, x= -,+ square root of 3
What is -3(3x+2)(x^2-3)=0
500
x= +,- 1, x=-4
What is x^3+4x^2-x-4=0
500
x= +,- 7/9 , 5i
What is 3x(81x^2-49)(x^2+25)=0
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