История · 11 класс Задача №3683629
А
А
Answer:
\[
x_1=2,\qquad x_2=3
\]
Solution:
Factor the quadratic: \[ x^2-5x+6=(x-2)(x-3) \]
Therefore: \[ (x-2)(x-3)=0 \]
So either: \[ x-2=0 \Rightarrow x=2 \] or \[ x-3=0 \Rightarrow x=3 \]
Check: \[ 2^2-5\cdot2+6=4-10+6=0 \] \[ 3^2-5\cdot3+6=9-15+6=0 \]
Thus, the roots are 2 and 3.
