2次方程式L1-3-4(6問)
2次方程式を解け
x2+2x-3=0
解答○ ×x2+3x-10=0
解答○ ×x2+5x-14=0
解答○ ×x2+4x-21=0
解答○ ×x2+2x-15=0
解答○ ×x2+4x-32=0
解答○ ×問題と解答
x2+2x-3=01,-3 x2+3x-10=02,-5 x2+5x-14=02,-7 x2+4x-21=03,-7 x2+2x-15=03,-5 x2+4x-32=04,-8
x2+2x-3=01,-3 x2+3x-10=02,-5 x2+5x-14=02,-7 x2+4x-21=03,-7 x2+2x-15=03,-5 x2+4x-32=04,-8
