Question

m²-23m+42 factorise by splitting the middle term ​

Answer 1

Answer:

Step-by-step explanation:

-23 can be wwritten as -21 -2

hence m² -21m-2m+42

m(m-21)-2(m-21)

(m-2)(m-21)

Answer 2

here your answer mate.....
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m^2 - 23m + 42
m^2 - 21m - 2m + 42
m (m - 21) -2 (m - 21)
( m - 21 ) ( m - 2 )
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maybe it helps you