find factors of this polynomial
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Answered by
0
Answer:
Step-by-step explanation:
required sum=-4
required product=-5
clearly the numbers are -5 and 1
therefore x^2-4x-5=x^2+1x-5x-5
\ =x(x+1)-5(x+1)
=(x+1)(x-5)
THIS IS THE RIGHT ANSWER IF YOU ARE CLASS 8 AND THIS IS FACTORISATION CHAPTER
Answered by
1
Answer:
x square. -4x-5=0...
x square. -5x+x-5=0......
x (x-5)+1(x-5)....
(x-5)+(x+1)=0.....
x=5 or x=-1.........
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