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Factorise 2y squared + 9y - 5

I've gotten to 2y squared + 10y - y - 5, but don't know how to factorise from there

Guest Nov 22, 2015

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Best Answer

+118724

+10

Factorise 2y squared + 9y - 5

I've gotten to 2y squared + 10y - y - 5, but don't know how to factorise from there

That is a really good start :)

Next you factorise in pairs

2y(y+5)-1(y+5)

=(2y-1)(y+5)

Melody Nov 22, 2015

2⁺⁰ Answers

+118724

+10

Best Answer

Factorise 2y squared + 9y - 5

I've gotten to 2y squared + 10y - y - 5, but don't know how to factorise from there

That is a really good start :)

Next you factorise in pairs

2y(y+5)-1(y+5)

=(2y-1)(y+5)

Melody Nov 22, 2015

+5

Thanks, forgot about factorising it into pairs

Guest Nov 22, 2015

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