а) (4х+3)^2 - 24x = 16x^2 + 24x + 9 -24x = 16x^2 + 9
б) 18c^2 - 2(3c-1)^2 = 18c^2 - 2(9c^2 - 6c +1) = 18c^2 - 18c^2 +12c - 2 =12c -2
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а) (4х+3)^2 - 24x = 16x^2 + 24x + 9 -24x = 16x^2 + 9
б) 18c^2 - 2(3c-1)^2 = 18c^2 - 2(9c^2 - 6c +1) = 18c^2 - 18c^2 +12c - 2 =12c -2