hmelanie714 hmelanie714
  • 12-12-2018
  • Mathematics
contestada

What are the solution(s) to the quadratic equation x2 – 25 = 0?

Respuesta :

jimrgrant1 jimrgrant1
  • 12-12-2018

Answer:

x = - 5 or x = + 5

Step-by-step explanation:

x² - 25 ← is a difference of squares

and factors as

(x - 5)(x + 5) = 0

equate each factor to zero and solve for x

x - 5 = 0 ⇒ x = 5

x + 5 = 0 ⇒ x = - 5


Answer Link

Otras preguntas

(-105^6)^3/4 please help simplify
Please do the the pre drafting assignment by looking at the Taylor Swift at Harvard photo attached below look at the other three photos and do the exact same th
Find the current through a 145 W bulb connected to a 290 V circuit. Answer in units of A.
what is taught in business leadership
which one is more acidic? a)H2C2O4 b)C2H5OH c)ch3cooh d)C6H6
11 The symbols of three elements are H, He, Li Which compound can be formed from these three elements?A HHe B HHe2 C LiH D LiH3​
5×1+2× 1 10 +8× 1 100 +5× 1 1000 =as a decimal
sorry not this one its history not math don't do this one
What is the estimated square root of √62 to the nearest tenth?
The Navy will sometimes cancel the construction of a warship midway through its construction if the Navy decides it does not need the warship any more. Large wa