Quadratic in Form Polynomials Answers

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What is the solution of the equation (x – 5)2 + 3(x – 5) + 9 = 0? Use u substitution and the quadratic formula to solve.

x = StartFraction negative 3 plus-or-minus 3 i StartRoot 3 EndRoot Over 2 EndFraction

x = StartFraction 7 plus-or-minus 3 i StartRoot 3 EndRoot Over 2 EndFraction

x = 2

x = 8

What are the solutions of the quadratic equation (x – 8)2 – 13(x – 8) + 30 = 0? Use u substitution to solve.

x = –11 and x = –18

x = –2 and x = 5

x = 2 and x = –5

x = 11 and x = 18

What are the solutions of the equation x4 + 6x2 + 5 = 0? Use u substitution to solve.

x = i and x = i

i and x = i

and x =

and x = -

Which equation is quadratic in form?

2(x + 5)3 + 8x + 5 + 6 = 0

x6 + 6x4 + 8 = 0

7x6 + 36x3 + 5 = 0

4x9 + 20x3 + 25 = 0

Which equation is quadratic in form?

4(x – 2)2 + 3x – 2 + 1 = 0

8x5 + 4x3 + 1 = 0

10x8 + 7x4 + 1 = 0

9x16 + 6x4 + 1 = 0

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