A circle whose area is 2x^2+3x-4 is cut from a rectangular piece of plywood with area 4x^2+3x-1 and discarded. Write an expression for the area of the remaining plywood????

Question

e.mccormick · Answer

In math, when you remove one thing from another, what mathematical operator is used?

e.mccormick · Answer

I mean, lets go back to when they first reach math and they use objects.  That is where this principal first shows up.  If I have a bag of six apples and I remove one, there are five apples left.  But what mathematical operation did I perform to go from 6 to 5?  That is the key to answering this word problem.

dan815 · Answer

^ did u read that

dan815 · Answer

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