Solve 4 ^ 2 - 1 = | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$4^{2}-1=$$

Evaluate

$15$

Factor

$3\times 5$