Question

factorise by spliting the middle term m raised to 2 -3m -70

Answer 1

Answer:

${m}^{2} - 3m - 70$

$= {m}^{2} - 10m + 7m - 70$

$m(m - 10) + 7(m - 10)$

$(m - 10)(m - 7)$