Question

factorise 7m(m-5)+1(5-m) ​

Answer 1

Answer:

7m(m-5)+1(5-m) = 0

7m²-35 + 5-m = 0

7m²- m - 30 = 0

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Answer 2

Answer:

(7m-1)(m-5)

Step-by-step explanation:

7m(m-5)+1(5-m)=7m(m-5)+1{-(m-5)}

=7m(m-5)-1(m-5)

=(7m-1)(m-5)