Question

Factorise by splitting the middle term:

(d) m2 + 11mn + 18n2​

Answer 1

Answer:

m^2+11mn+18n^2

Step-by-step explanation:

m^2+9mn+2mn+18n^2

m(m+9n)+2n(m+9n)

(m+9n)(m+2n)

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Answer 2

Answer:

${m}^{2} + 11mn + 18 {n}^{2} \\ {m}^{2} + 9mn + 2mn + 18 {n}^{2} \\ m(m + 9n) + 2n(m + 9n) \\ \underline{ \underline{ (m + 9n)(m + 2n)}}$