1) Add the following expression:
a)5xy + 2x , -2xy + 3y and 8xy - 3x + 4y
b) 4y2 – y +2 and y2 + 4
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Answer:
a. 11xy-x+7y
b. 5y^2-y+6
Step-by-step explanation:
a) (5xy+2x)+(-2xy+3y)+(8xy-3x+4y)
5xy+2x-2xy+3y+8xy-3x+4y
5xy-2xy+8xy+2x-3x+3y+4y
11xy-x+7y
b) 4y^2-y+2+y^2+4
4y^2+y^2-y+2+4
5y^2-y+6
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