Step-by-step explanation: Area of a rectangle is length * breadth= distributive property of multiplication :(4x+5)*3x= 12x^2+15x [m^2 or sq.m}
Answer:
area =
Explanation:
(4x+5)×3× = 12×^2+15
because
area = length × breadth
ans= 12x^2+15.
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