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17 votes
17 votes
What are the solutions to this equation?

16x2 + 9 = 25

User Geekbuntu
by
2.2k points

2 Answers

24 votes
24 votes

Answer: x=-1,1

Step-by-step explanation:

16x^2+9=25 first we subtract 9 from the right and left sides.

16x^2=16

Divide both sides by 16 to isolate x

x^2=1

Take the square roots of both sides to isolate x completely.

x=1,-1

User Sigvardsen
by
3.0k points
25 votes
25 votes

Answer:

Explanation:

Solution

= −1

= 1

User Tsotne Tabidze
by
3.2k points