Q.1
Add the following.
(i) (3x2 - 4 + 3x) + 2y + (x + y)
(ii) (5x4 - 3x2 + 4) + (6x2 - 4x2 - 7)
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Answer:
3x 2 + 12 + 9x - 20 + 6x 2 - x ... (21 x 5) / (3 x 4 ) = (21 / 3)(x 5 / x 4) ... (24 / 48)(x 4 / x 2)(y 2 / y ) ... 2x = 6; 6x - 8 = 4x + 4; 4(x - 2) = 2(x + 3) + 7; 0.1 x - 1.6 = 0.2 x + 2.3; - x / 5 ...
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