gagacherfils gagacherfils
  • 11-03-2020
  • Mathematics
contestada

B^2-4b-12=0 please help me

Relax

Respuesta :

devishri1977
devishri1977 devishri1977
  • 11-03-2020

Answer:

Step-by-step explanation:

 b² - 4b - 12 = b² - 6b + 2b - 2*6

=b*(b -6) + 2*(b - 6)

= (b - 6) (b + 2)

 b² - 4b - 12 = 0

(b - 6) (b + 2) = 0

b - 6 = 0     or b + 2 = 0

b = 6           or b =  -2

Answer Link

Otras preguntas

A teacher divides 36 students into equal groups for a scavenger hunt. Each group should have at least 4 students but no more than 8 students. What are the possi
explain how 9x4 can help you find 9x8?
What is the digit in 913 and where's the digit in the tens place and the value of the digit tens someone answer for my homework
the sum of three consecutive numbers is one hundred forty- four. what is the smallest of three numbers
What is the digit in 913 and where's the digit in the tens place and the value of the digit tens someone answer for my homework
the sum of three consecutive numbers is one hundred forty- four. what is the smallest of three numbers
what country did john white represent? what is the date that john white did somethimh important? & what did he do that he is remberd for?
What is the ratio 24/16 written in lowest terms
How do you find prime numbers between 70 and 80
Is 36/81 a  perfect square