Question

factorise the following expression 36x² - 1/25x²
i need in 2min please​

Answer 1

Step-by-step explanation:

• (6-1/5) (6+1/5)
• x=6,x=1/5

Answer 2

Step-by-step explanation:

$36x^2-\dfrac{1}{25}x^2=\left(6x\right)^2-\left(\dfrac{1}{5}x\right)^2=\left(6x-\dfrac{1}{5}x\right)\left(6x+\dfrac{1}{5}x\right)\\\\\text{Used}\\\\(a-b)(a+b)=a^2-b^2$