Question

Simplify.
(4x’y - 9xy + 4) + (-7r’y+ 4xy? + 8)

Answer 1

Answer:

4 y x '  −  9 x y  −  7 y r '  +  4 x y?  +  12

Step-by-step explanation:

Simplified the expression.

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Answer 2

Answer:

4 y x ' − 9 x y − 7 y r ' + 4 x y ? + 12