christenthompson
christenthompson christenthompson
  • 13-05-2021
  • Mathematics
contestada

x2 - 49 = 0 solve in factored form

Respuesta :

S1NGH
S1NGH S1NGH
  • 13-05-2021

Answer:

x = -7 or 7

Step-by-step explanation:

x² - 49 = 0

→ Factorise

( x + 7 ) ( x - 7 )

→ Solve

x = -7 or 7

Answer Link
Аноним Аноним
  • 13-05-2021

Answer:

(x + 7) (x - 7) = 0

x + 7 = 0 and x - 7 = 0

So, x = +7 and -7

Hope this helps!

Answer Link

Otras preguntas

Dramatic irony means that A. the audience knows something the character or characters don't. B. everything works out in the end. C. things are going to end v
example of oxidation in daily life
what number is 218% of 87.5?
which of these is an odd number 18, 10, 9, 8
What is the difference between 4 twenty fives and 3 twenty fives
Please help with Paragraph proofs
What does the Spanish word qué mean?
The product of an object’s mass and velocity is its A. centripetal force. B. momentum. C. net force. D. weight.
The wingspan of one butterfly is 1 9/16. The wingspan of another butterfly is 1 5/8 inches. write an inequality comparing the two wingspan
{[8-3)x2]+[(5x6)-5]}÷5=