Macabentalmc846viz
Answered

solve the following quadratic eauations by extracting square roots 4x^2-225=0

Sagot :

Mlcparra16viz
4x² - 225 = 0
(2x + 15)(2x - 15) = 0

2x + 15 = 0      |      2x - 15 = 0
   2x = -15        |        2x = 15
  x = -15/2        |          x = 15/2

Any of the two values would work