Question

Which of the following are solutions to the equation below?

Check all that apply 25x(squared) - 16 = 0

Answer 1

`~~25x^2-16=0\\\\\implies (5x)^2 -4^2 =0\\\\\implies (5x+4)(5x-4)=0\\\\\implies x = -\frac{4}5, ~~~x=\frac 45`