Question 145412
(x-3)^2=.25
x-3=+-.5 sqrt of each side
x=3.5, x=2.5
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9x^2-25=0
(3x+5)(3x-5)=0
3x=-5, 3x=5
x=-5/3, x=5/3
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27-3x=2x^2
2x^2+3x-27=0
2*-27=-54 What two factors of -54 when added equal 3? +9 & -6
2x^2+9x-6x-27=0
x(2x+9)-3(2x+9)=0
(x-3)(2x+9)=0
x=3
2x=-9
x=-9/2
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P=2L+2w
=6w+2w
=8w
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Ed