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Warriner169
Warriner169 Warriner169
  • 24-06-2015
  • Mathematics
Answered

x^2 - 11x + 10 = 0 Factor and solve

Verified Answer :

naǫ
naǫ naǫ
  • 24-06-2015

\(x^2-11x+10=0 \\ x^2-10x-x+10=0 \\ x(x-10)-1(x-10)=0 \\ (x-1)(x-10)=0 \\ x-1=0 \ \lor \ x-10=0 \\ x=1 \ \lor \ x=10 \\ \boxed{x=1 \hbox{ or } x=10}\)

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cclemeno cclemeno
  • 24-06-2015

x^2-11x+10=0
The +10 tells me the signs are the same
-11x tell me they are both -
and I need to add
what 2 numbers multiplied together =10 added = -11?

(X-10)  (X-1)=0
X-10= 0
X=10

X-1=0
X=1

ANSWER X=  1 AND 10

HOPE THIS HELPS

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