Ill mark brainliest on the onw that can help i need it FAST Kerry wants to remodel his house by knocking down a wall between two adjoining, rectangular rooms. On the blueprints, the width, in fact, of both rooms is defined by the expression +3.
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Ox+3)
3)
If the length, in feet, of the first room is 12x+7) and the length, in foet, of the second room is (2x-1), which expression models the area, in square feet, of the new room once the wall is knocked down?