Factorise the given product x^2-x-20
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2
Answer:
x= -4 or x=5
Step-by-step explanation:
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23
=>x²-x-20
=>x²-(5-4x)-20
=>x²-5x+4x-20
=>x(x-5)+4(x-5)
=>(x-5)(x+4)
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