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Mathematics
Joey
29 July, 13:42
Which is a solution to (x-3) (x 9) = - 27
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Scarlett Harris
29 July, 15:59
0
Distribute
(x-3) (x+9) = - 27
x^2+6x-27=-27
add 27 to both sides
x^2+6x=0
factor out x
x (x+6) = 0
set each to zero
x=0
x+6=0
x=-6
x=0 and or - 6
x=-6 or 0
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