Greenrune113 Greenrune113

13-09-2017
Mathematics

contestada

Find all real solutions:
x² - x - 12 = 0

Respuesta :

kphung76127 kphung76127

13-09-2017

Factor the equation. Remember the value should add to the b value and multiply to the c value.

x^2-x-12= 0
(x-4)(x+3)=0

Use the zero product property to find roots
x-4=0
x=4

x+3=0
x=-3

Final answer: x=-3, x=4

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