The perimeter of a rectangle is 16x3 - 6x2 + 12x + 4. If one of its sides is 8x2 + 3x, find the other side.
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If x = 2a2 + 3b2 - 5ab, y = b2 - 3a2 + 7ab and z = 6a2 - b2 + ab, find :
(i) x + y - z
(ii) x - y + z
The perimeter of a triangle is 8 + 13a + 7a2 and two of its sides are 2a2 + 3a + 2 and 3a2 - 4a - 1. Find the third side of the triangle.
The coefficient of x in - 6 xyz2 is