Q4. Write down the degree of each term of the following expression:
a) xy2 + 4x2y - 7x2y - 3xy2 + 3
b) 1 - 2t + t2 - 3t3
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Q5. From the sum of 3x + 4y -22 and 9x -10y - 6z subtract 10x + y -z.
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4 a) 2
b) 3
5 ( (3x+4y-22)+(9x-10y-6z) -10x+y-z)
( 3x+4y-22+9x-10y-6z) -10x+y-z
12x-6y-6z-22 -10x+y-z
2x-5y-7z-22
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