Mathematics
Senior High
Resolved

(4)の考え方が分かりません💦

答えはX=-4です

0 練習 次の2次不等式を解け。 38 (1) x²-4x+4>0 (3) x2+8x+16<0 (5) 4x²-4x+1>0 (2) x²-4x+4≥0 (4) x²+8x+16≤0 (6) 4x²-4x+1≥ 0

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