(a3-b3) = (a-b) (a2+ab+b2)
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(a3-b3) = (a-b)(a2+ab+b2)
x equals negative b plus or minus the square root of b squared minus 4bc over 2a
negative b plus or minus the square root of b minus 4 times ac all over 2 a
The quadric equation is: negative b plus or minus the square root of b squared minus 4ac all over(divided by) 2a
For a cuboid, the total surface area = 2*(L*B + B*H + H*L) square units where L = length, B = breadth and H = height.In the case of a cube, L = B = H and so the total surface area is 6*L^2 square units.