2026-06-07 10:55
(Ax + B)^2 = A^2x^2 + 2ABx + B^2A = mB = (-2m + 4){mx + (-2m + 4)}^2= (mx)^2 + 2mx(-2m + 4) + (-2m + 4)^2= m^2 x^2 -4m^2x +8mx + 4m^2 -16m +16
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