2次方程式L1-3-m(6問)
2次方程式を解け
x2-20x+100=0
解答○ ×x2-196=0
解答○ ×144x2-1=0
解答○ ×x2+2x-48=0
解答○ ×x2-x-72=0
解答○ ×x2+4x-60=0
解答○ ×問題と解答
x2-20x+100=010 x2-196=0-14,14 144x2-1=0112,-112 x2+2x-48=06,-8 x2-x-72=0-8,9 x2+4x-60=06,-10
x2-20x+100=010 x2-196=0-14,14 144x2-1=0112,-112 x2+2x-48=06,-8 x2-x-72=0-8,9 x2+4x-60=06,-10
