How do you solve 6x ^ { 2} - 5= 4?
3 Answers
Explanation:
First we subtract
Next we add
Divide both sides by
We will solve
Therefore,
Just for fun:
Solution :
Explanation:
Solution :
Explanation:
"isolate the "x^2" term by manipulations"
"add 5 to both sides"
6x^2cancel(-5)cancel(+5)=4+5
rArr6x^2=9
"divide both sides by 6"
(cancel(6)x^2 )/cancel(6)=9/6=3/2
rArrx^2=3/2
color(blue)"take the square root of both sides"
sqrt(x^2)=+-sqrt(3/2)larr" note plus or minus"
rArrx=+-sqrt(3/2)larr" exact solutions"