Simplify (t-1)(t+1)

Math
(t-1)(t+1)
Expand (t-1)(t+1) using the FOIL Method.
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Apply the distributive property.
t(t+1)-1(t+1)
Apply the distributive property.
t⋅t+t⋅1-1(t+1)
Apply the distributive property.
t⋅t+t⋅1-1t-1⋅1
t⋅t+t⋅1-1t-1⋅1
Simplify terms.
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Combine the opposite terms in t⋅t+t⋅1-1t-1⋅1.
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Reorder the factors in the terms t⋅1 and -1t.
t⋅t+1t-1t-1⋅1
Subtract 1t from 1t.
t⋅t+0-1⋅1
Add t⋅t and 0.
t⋅t-1⋅1
t⋅t-1⋅1
Simplify each term.
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Multiply t by t.
t2-1⋅1
Multiply -1 by 1.
t2-1
t2-1
t2-1
Simplify (t-1)(t+1)

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