Solved

Solve
- 30=(m2+7 m)2+(m2+7 m)30 = \left( \mathrm { m } ^ { 2 } + 7 \mathrm {~m} \right) ^ { 2 } + \left( \mathrm { m } ^ { 2 } + 7 \mathrm {~m} \right)

Question 69

Multiple Choice

Solve.
- 30=(m2+7 m) 2+(m2+7 m) 30 = \left( \mathrm { m } ^ { 2 } + 7 \mathrm {~m} \right) ^ { 2 } + \left( \mathrm { m } ^ { 2 } + 7 \mathrm {~m} \right)


A) 6,1,7692,7+6926 , - 1 , \frac { - 7 - \sqrt { 69 } } { 2 } , \frac { - 7 + \sqrt { 69 } } { 2 }
B) 6,1- 6 , - 1
C) 6,1,7692,7+692- 6 , - 1 , \frac { - 7 - \sqrt { 69 } } { 2 } , \frac { - 7 + \sqrt { 69 } } { 2 }
D) 4,1,769i2,7+69i2- 4 , - 1 , \frac { - 7 - \sqrt { 69 } i } { 2 } , \frac { - 7 + \sqrt { 69 } i } { 2 }

Correct Answer:

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