Question

Which expression is equivalent to 3xy + 10xy - 5x + 2x - 2yx? A) 15xy + 7x Eliminate B) 13xy - 7x - 2yx C) -8xy D) -3x + 11xy

Answer 1

Answer: D) -3x + 11xy

Step-by-step explanation:

Given expression= $3xy+10xy-5x+2x-2yx$

To find which expression is equivalent to the given expression, we need to first combine like terms, we get

$3xy+10xy-2xy-5x+2x\\=13xy-2xy-3x\\=11xy-3x$

This is equivalent to $-3x+11xy$

Hence D is the right answer, the given expression is equivalent to  $-3x+11xy$.

Answer 2

3xy + 10xy - 5x + 2x - 2yx

Add 3xy to 10xy

13xy - 5x + 2x - 2yx

Add -5x to 2x

Final Answer: B.) 13xy -3x - 2yx