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Whats the answer to log log_(x+2) (9x) =2 ?
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Whats the answer to log
log_(x+2) (9x) =2 ?

User Ifeanyi Chukwu
by
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1 Answer

1 vote

Answer:

x= 1, 4

Explanation:


log_(x+2) (9x) =2\\\\</p><p>9x = (x+2)^2 \\\\</p><p>(x+2)^2 - 9x = 0\\\\</p><p>x^2 +4x + 4-9x = 0\\\\</p><p>x^2 - 5x +4= 0\\\\</p><p>x^2 - 4x-x+4=0\\\\</p><p>x(x-4)-1(x-4)=0\\\\</p><p>(x-4)(x-1)=0\\\\</p><p>x-4 =0\: or\: x - 1=0\\\\</p><p>x = 4\: or\: x = 1\\\\</p><p>x = 1,\: 4</p><p>

User Ekstrakt
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