Question

2m2-28m-64 factorise

Answer 1

2(−16)(+2)

Step-by-step explanation:

22−28−64

2m^{2}-28m-642m2−28m−64

2(2−14−32)

2(m^{2}-14m-32)2(m2−14m−32)

2

Use the sum-product pattern

3

Common factor from the two pairs

4

Rewrite in factored form

Solution

2(−16)(+2)

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Answer 2

2m2 - 28m - 64
m2 - 14m - 32
m2 - 16m + 2m -32
m(m -16) + 2(m-16)
(m+2)(m-16)
Therefore, m = -2,16