Question

What is the solution set of 6x^2-24=0

Answer 1

6x²-24=0

first step is to find the gcf here

gcf of 6 and 24 is 6, taking out the gcf

6(x²-4)=0

dividing both sides by 6

x²-4=0

we can write 4 as 2² here

x²-2²=0

(x+2)(x-2)=0

x=2 and x=-2