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September 21, 2014

September 21, 2014

Posted by **Rebecca** on Tuesday, May 31, 2011 at 1:39pm.

- Gr10 math -
**MathMate**, Tuesday, May 31, 2011 at 3:33pmLet w=width of flower-bed.

total area, A

= (8+x)(4+x)

=x²+12x+32

Equate A above to 165 m² to get

x²+12x+32 = 165

and solve for x.

Reject the negative root (-19).

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