factoris:m²-25m+100
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m²-25m +100
m²-(20+5)m+100
m² -20m -5m +100
m(m-20) -5(m-20)
(m-5)(m-20)
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Answer:
m²-25m+100 can be factorized so as to obtain (m-20) and (m-5) as two of its factors.
Step-by-step explanation:
Since its a quadratic polynomial, we can factorize it by splitting the middle term.
To split its middle term, we need to find two numbers whose product is 100 and sum (in this case) is 25.
The two numbers are -20 and -5 because -20-5 = -25 and (-20)*(-5) = 100.
So,
Now, taking out the common terms, we have
Further, (m-20) an be taken out as the common term. So, we have
Therefore, m²-25m+100 can be factorized so as to obtain (m-20) and (m-5) as two of its factors.
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