brandicepech12 brandicepech12

14-05-2020
Mathematics

contestada

Solve each equation *

Captionless Image
a
b
c
d

Solve each equation Captionless Image a b c d class=

Respuesta :

ujalakhan18 ujalakhan18

14-05-2020

Answer:

b)

Step-by-step explanation:

n²+n-42=0

Using mid-term break

n²+7n-6n-42=0

n(n+7)-6(n+7)=0

(n-6)(n+7)=0

Either,

n-6=0 OR n+7=0

n=6 OR n= -7

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