Mathematics
Senior High
Solved
このピンクのところはどうゆう計算をしたらこの数字がでてきますか
SERIKEESOR(
PP 1011ca4 10,1
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y=-2x²+4x+1
=-2(x-2x)+1
=-2{(x-1)2-1}+1
=-2(x-1)2+2+1
=-2(x-1)+3
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