209. Найдите корни уравнения: а) (x + 2)2 = 1,44;
г) (3х + 2)2 = 12х + 40;
б) 4(5 – 0,25x)2 = 9;
д) (х – 1)(х + 1) = 2(х – 2)(х + 2);
в) (х + 1)2 = 2(х – 1);
е) 48 – 3(х2 – 5)2 = 0.
.
г) (3х + 2)2 = 12х + 40;
б) 4(5 – 0,25x)2 = 9;
д) (х – 1)(х + 1) = 2(х – 2)(х + 2);
в) (х + 1)2 = 2(х – 1);
е) 48 – 3(х2 – 5)2 = 0.
.
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