What is the factored form of x 2 4x 5
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What is the factored form of x2 − 4x − 5?
(x + 5)(x − 1)
(x + 5)(x + 1)
(x − 5)(x − 1)
(x − 5)(x + 1)
Answered by admin @
Step-by-Step Explaination;-
Solving by Splitting Method!
In this method splitting of middle term in to two factors.
Here,
Find the factors of 5 in such way that
addition or subtraction of that factors is
the middle term (4x)(Splitting of middle term).
Equation: x²-4x-5
=> x²-5x+x-5
=> x(x-5)+1(x-5)
=> (x+1)(x-5)
Hence, Required Factor of x²-4x-5 is (x+1)(x-5).
Therefore, Option C is correct Answer!.
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