Factor: 5x2 – 15x – 20.
(a) 5(x-4)(x+1),
(b) -2(x-4)(x+5),
(c) -5(x+4)(x-1),
(d) 5(x+4)(x+1).
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☸ Required Answer is :-
✔ Given equation , 5x²-15x-20
➡ taking 5 as a common we get,5 (x²-3x+4)
Now the equation becomes,5 (x²-3x+4)
A.T.Q
➡. 5(x²-3x+4)
➡ 5(x²-4x+x+4)
➡ 5 [x(x-4) - 1(x-4)]
➡ 5 (x-4) (x-1).
Hence, the Answer is Option (A).
#Vielen_Dank♥
☸ Required Answer is :-
✔ Given equation , 5x²-15x-20
➡ taking 5 as a common we get,5 (x²-3x+4)
Now the equation becomes,5 (x²-3x+4)
A.T.Q
➡. 5(x²-3x+4)
➡ 5(x²-4x+x+4)
➡ 5 [x(x-4) - 1(x-4)]
➡ 5 (x-4) (x-1).
Hence, the Answer is Option (A).
#Vielen_Dank♥
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