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OpenStudy (anonymous):
a rectangle has a length of (x-3) and a width of (3x^2+4x). What is the perimeter?
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OpenStudy (angela210793):
P=2(x-3)+2(3x^2+4x)=2x-6+6x^2+8x=6x^2+10x-6
OpenStudy (anonymous):
thanks!
OpenStudy (anonymous):
simpler forms- 2(3x^2+5x-3) 2(3x-1)(x+3) same answer but simplified
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