kierstenparker112806 kierstenparker112806

03-04-2020
Mathematics

contestada

Factor the quadratic by checking factor pairs.
-15x2 – 21x + 18
-15x2 – 218 + 19 = -3

Respuesta :

amna04352 amna04352

03-04-2020

Answer:

-3(x + 2)(5x - 3)

Step-by-step explanation:

-15x² – 21x + 18

-3(5x² + 7x - 6)

-3[5x² + 10x - 3x - 6]

-3[5x(x + 2) - 3(x + 2)]

-3(x + 2)(5x - 3)

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