Concept explainers
Subtract the given equations,
(x2+9x-4)-(x2-2x+1)
Explanation of Solution
Given information:
Polynomials,
(x2+9x-4)-(x2-2x+1)
Formula used: Algebra Tiles
Calculation:
Opening the bracket of the given equation,
x2+9x-4-x2+2x-1
Here, x2 is represented by one blue tile, 9x us represented by 9 green tiles, -4 is represented by 4 red tiles, -x2 isrepresented by one red tile,2x is represented by 2 green tiles and -1 is represented by 1 red tile.
On solving, x2 and x2 subracts, 9x and 2x adds and -4 and -1 also adds.
Result, is 11x-5
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