1.

Subtract the second expression from the first.(i) (4xy-9z) ; (3xy - 16z) (ii) (5x + 4y + 7z) ; (x + 2y + 3z)(iii) (14x2 + 8xy + 3y2 ) ; (26x2 - 8xy- 17y2) (iv) (6x2+ 7xy+ 16y2 ) ; (16x2 - 17xy)(v) (4x + 16z) ; (19y -14z + 16x)

Answer»
Subtract the second expression from the first.


(i) (4xy-9z) ; (3xy - 16z) (ii) (5x + 4y + 7z) ; (x + 2y + 3z)


(iii) (14x2 + 8xy + 3y2 ) ; (26x2 - 8xy- 17y2) (iv) (6x2+ 7xy+ 16y2 ) ; (16x2 - 17xy)


(v) (4x + 16z) ; (19y -14z + 16x)


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