nomthandazasibambo
nomthandazasibambo nomthandazasibambo
  • 04-06-2021
  • Mathematics
contestada

x^2 +14x +45=0 factorise​

Respuesta :

bhadelsimron19
bhadelsimron19 bhadelsimron19
  • 04-06-2021

Answer:

Step-by-step explanation:

x^2+14x+45=0

x^2+(9+5)x+45=0

x^2+9x+5x+45

x(x+9)+5(x+9)=0

(x+9)(x+5)=0

either x+9=0                           Or,x+5=0

x+9=0

x=0-9

x=-9

x+5=0

x=0-5

x=-5

therefore x=-9,-5

Answer Link
mariamapoiq
mariamapoiq mariamapoiq
  • 04-06-2021
I think so the answer is x=-5
Answer Link

Otras preguntas

Identify the prepositional phrase in the following sentence. yesterday, my daughter and i went to the zoo and saw the elephants.
what number is 25 percent of 400?
England believed her colonists had duties and responsibilities as citizens of the British Empire. True False
m+-2/3=-1/3 what is m?
PLEASE ANSWER THESE 2 QUESTIONS ASAP describe one example of how technology assists people with data and sample collection list 2 instances in your daily life
What is a commutative property of multiplication?
The _____ theory is the most accepted theory regarding the origin of the solar system. It suggests that our star, the Sun, was first created by a cloud of dust
Find the product. 8y 3(-3y 2)
Which is greater 6km or54,000 mm
Round each number to the nearest ten. What is the best estimate for the answer to 552.17 – 48.35 ?