Answer:
3x² - 75 = 0
3x² = 75
x² = 75 ÷ 3
x² = 25
x = √25
x = 5
x=5, x=-5
Explanation:
3x²-75=0
Add 75 to both sides;
3x²-75+75=0+75
Simplify;
3x²=75
Divide both sides by 3
3x²/3=75/3
x²=25
x=√25, x=-√25
√25=5
-√25=-5
x=5,x=-5
Hope this helped!!!
