The base and the altitude of a triangle are (3x - 4y) and (6x + 5y) respectively. Find its area.
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Simplify:
(3y + 4z) (3y - 4z) + (2y + 7z) (y + z)
The adjacent sides of a rectangle are x2 - 4xy + 7y2 and x3 - 5xy2. Find its area.
Multiply - 4xy3 and 6x2y and verify your result for x = 2 and y = 1.
Find the value of (3x3) x (-5xy2) x (2x2yz3) for x = 1, y = 2 and z = 3.