Simplify the following by combining like terms. 3x2 yz 2 – 3xy2 z – InterviewSolution

1.

Simplify the following by combining like terms. 3x2 yz 2 – 3xy2 z + x2 yz 2 – 7xy2 z

Answer»

We have

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

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

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