Question:Factorise `y^2`- y - 42
Answer `y^2`- y - 42 =`y^2`- 7y + 6y - 42 =y(y+7) + 6(y-7) =(y-7) (y+6)
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Factorise `y^2`- y - 42
Question:Factorise `y^2`- y - 42
Answer `y^2`- y - 42 =`y^2`- 7y + 6y - 42 =y(y+7) + 6(y-7) =(y-7) (y+6)
+ ExplanationNot Moderated
+ Report
Factorise `y^2`- y - 42