Question

8 What should be subtracted from
3x?y2 + 2xy2 – 5xy + y2 – 2x2 to get
2x2 + 3y2 – 2x2y2 – 5xy??​

Answer 1

Step-by-step explanation:

(i) 3x + 7x = (3 + 7)x = 10x

(ii) -5xy + 9xy = ( -5 + 9)xy = 4xy

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Answer 2

Answer:

: a key on a computer keyboard that when pressed in combination with other keys enables special commands or symbols to be accessed Pressing "z" while holding down the control key often undoes the last action. — abbreviation Ctrl — compare alt key