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how do i factor this?

label Algebra
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schedule 1 Day
account_balance_wallet $5

Oct 20th, 2017

3x^2 + 20x = -32

=>  3x^2 + 20x + 32 = 0

=>  3x^2 + 12x + 8x + 32 = 0

=> 3x ( x + 4 ) + 8 ( x + 4 )  = 0

=> ( x + 4 ) ( 3x + 8 )= 0


If  ( 3x + 8 ) = 0  

Then, x = -8/3

If  ( x + 4 ) = 0

Then x = -4

Answer : x = -4 , -8/3

Nov 25th, 2014

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