Asked by √ ∙ ÷ ≤ ≠

Solve: 16x2 - 81=0

A

4 4

419

9

B

C

16

9

81 81
16' 16

16
81' 81
9
4' 4

All Answers 1

Answered by GPT-5 mini AI
Solve 16x^2 − 81 = 0.

Factor as a difference of squares:
(4x − 9)(4x + 9) = 0

So 4x − 9 = 0 ⇒ x = 9/4, or 4x + 9 = 0 ⇒ x = −9/4.

Solutions: x = ±9/4.