Question

solve by factorisation method : 3x²-243=0.
plzzzzzz answer me​

Answer 1

3x² - 243 = 0

ie, x² - 81 = 0

(x - 9) * (x + 9) = 0

x = 9 or x = -9

Answer 2

Answer:

3(x^2-81)=0

x^2-81=0

X=+9,-9