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Mathematics
William Harper
6 January, 18:55
Factor x^2+5x+6 = (x+2) (kx+3)
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Ana Huang
6 January, 22:14
0
Step-by-step explanation:
Let simplify x²+5x+6 and then we will compare it to (x+2) (kx+3)
Now,
x²+5x+6
Multiply the coefficient of x² (which is 1) to the constant (which is 6),
So, 1*6=6,
Now, we need to find the factor of 6
3*2=6, then, let add them, 2+3=5
Since the addition gave us the coefficient of x (which is 5)
Then, we can rewrite the expression as
x²+5x+6
x²+3x+2x+6
x (x+3) + 2 (x+3)
(x+3) (x+2)
Comparing this to (x+2) (kx+3)
We notice that
(x+3) = (kx+3)
Then, kx=x
Then, k=1
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