rakeldriccainkel rakeldriccainkel
  • 13-06-2017
  • Mathematics
contestada

Factor y2 + 10z - 10y - yz

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apologiabiology
apologiabiology apologiabiology
  • 13-06-2017
group and factor
group y's with y's and z's with z's
(y²-10y)+(10z-yz)
factor
y(y-10)+z(10-y)
force undistribute -1
-y(10-y)+z(10-y)
factor
(10-y)(-y+z)
(z-y)(10-y) or
(y-z)(y-10)
Answer Link
nap14hockey
nap14hockey nap14hockey
  • 13-06-2017
First rearrange the equation.

y2- yz - 10y+ 10z

At this point it's factoring by grouping.
Y(y-z) -10(y-z)
(Y-10)(y-z)
Answer Link

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