Express Rectangle Sides Using Variable x: Geometric Algebra Problem

Express the sides of the rectangle in the drawing by x.

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Step-by-step video solution

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00:00 Express the sides of the rectangle
00:03 We'll use the formula for calculating rectangle area (side times side)
00:08 We'll use trinomial to factor, identify the coefficients
00:14 We want to find two numbers whose sum equals B
00:18 and their product equals C
00:25 These are the matching numbers
00:31 We'll put them in parentheses, this is the product of the sides
00:38 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Express the sides of the rectangle in the drawing by x.

3

Final Answer

x+11,x+2 x+11,x+2

Practice Quiz

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Solve the following expression:

\( x^2-1=0 \)

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