7 A = m² + 12m + 36 Find expressions for the length and width of the following rectangle. Explain/show how you found your dimensions. You can change the math text to regular text by pressing the T button. You can also show/explain your work elsewhere and upload that at the end.

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Polynomials

Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.