2) 4x² - 81 = 0
B.)Factor the Quadric Expression ( 4x² - 81 = 0)
C.)Apply zero product property by setting each factor of the quadratic expression equal to 0.
D.)Solve each resulting equation
E.)Check the values of the variable obtained by substituting each in the original equation.
Answers & Comments
Answer:
(2x+9) (2x-9)
Step-by-step explanation:
(2x+9) (2x-9)
=4x^2 - 18x + 18x - 81
=4x^2 - 81