EM-1500

Factorising by grouping

E Math · Secondary 4 · Easy · Factorising by grouping

Factorise completely:

36x - 12xy - 5y^2 + 15y

.

$(3 - y)(12x + 5y)$
$(3 + y)(12x - 5y)$
$(y - 3)(12x + 5y)$
$(3 - y)(12x - 5y)$

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