Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.7x2 + 10x + 2 = 0
A. Square root principle; -10, 0
B. Quadratic formula; 
C. Factoring; -5, 14
D. Square root principle or factoring; -7
Answer: B
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