+0  
 
0
15
1
avatar+359 

Factor x^2 - 8x + 15 + x^2 - 4x + 3


Find all values of x such that x^2 - 8x + 15 + x^2 - 4x + 3 = 0. If you find more than one value, then list your solutions, separated by commas.

 Jan 14, 2024
 #1
avatar+36919 
+1

First,  simplify/reduce it to :

2x ^2 -12x + 18 =0      factor out '2'

2 ( x^2 -6x + 9) = 0       now it ieasier to factor 

2 ( x -3)(x-3)  = 0             shows x = 3 

 Jan 14, 2024

2 Online Users

avatar