Kevessi
Kevessi Kevessi
  • 01-11-2018
  • Mathematics
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SAT MATH QUESTION. HELP ME PLEASE

SAT MATH QUESTION HELP ME PLEASE class=

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 01-11-2018

(x^2 - x-6)           8

--------------- = ----------

x^2 -4x+3       6


factor  on the left and simplify on the right

(x-3) (x+2)     4

-------------- =  ----

(x-3)(x-1)          3


cancel factors on the left

(x+2)            4

-------------- =  ----

(x-1)               3

use cross products

3(x+2) = 4(x-1)

3x+6 = 4x-4

subtract 3x from each side

6 = x-4

add 4 to each side

10 =x




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