Question

factorise using suitable identies 9x^2-1​

Answer 1

Step-by-step explanation:

9x² - 1 =a²-b²

so... (a+b)(a-b)

(3x)² -(1)²

(3x+1)(3x-1)

thank you

hope it helps ❤️❤️

plz mark it as brainliest

pls plz plz plz plz plz

Answer 2

Answer:

9x²-1=0

x²=1/9

x=√1/9

x=-1/3 or x=1/3