+10
ILY
y
2. Add the following expressions.
(a) +62 +6x + 3y,4y - 4z, 2x + 4y - 7 and 13x – 4y +7z
(b) 5x4 - 3x - 7x + 4, - 3x4 - 5x2 + 2x, 4x® + 4x – 3 and 4x4 – 3x3 + 6x2
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What must be added to 2a3 + 5a – a2 – 6 to get a2 – a – a3 + 1 ??
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