jaleesa31 jaleesa31

01-02-2022
Mathematics

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x²+2x-15=0

Solving quadratic equations using factorising

Respuesta :

amandaissa amandaissa

01-02-2022

Answer: (x+5)(x-3)

Explanation:

Write 2x as a difference so (that also =15) so 5x-3x

That end up being x^2+5x-3x-15 now putting into factorisation (x+5)(x-3)

Hope this helps:)

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