二次方程式: 2x^2 + 6x - 15 = 0 を解く
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複素解の二次公式を使用して解く
x^2 - 6x - 16 = 0 を解く
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広場を完成させる最良の方法
How to Solve x^2 - 2x -15 = 0 by Factoring
Linear equation with one unknown: Solve 6x-15=0 step-by-step solution
二次公式を使用して二次方程式を解く - 二次方程式
Solving Quadratic Equation x^2+6x-2=0 Quickly Using Completing The Square Method...
X^2-2X-15 = 0
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x^2 - 2x - 15 = 0
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