H(r)=r^2+11r-26

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Solution for H(r)=r^2+11r-26 equation: 


Simplifying
H(r) = r2 + 11r + -26

Multiply H * r
rH = r2 + 11r + -26

Reorder the terms:
rH = -26 + 11r + r2

Solving
rH = -26 + 11r + r2

Solving for variable 'r'.

Reorder the terms:
26 + -11r + rH + -1r2 = -26 + 11r + r2 + 26 + -11r + -1r2

Reorder the terms:
26 + -11r + rH + -1r2 = -26 + 26 + 11r + -11r + r2 + -1r2

Combine like terms: -26 + 26 = 0
26 + -11r + rH + -1r2 = 0 + 11r + -11r + r2 + -1r2
26 + -11r + rH + -1r2 = 11r + -11r + r2 + -1r2

Combine like terms: 11r + -11r = 0
26 + -11r + rH + -1r2 = 0 + r2 + -1r2
26 + -11r + rH + -1r2 = r2 + -1r2

Combine like terms: r2 + -1r2 = 0
26 + -11r + rH + -1r2 = 0

The solution to this equation could not be determined.

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