Basic Math Examples

Simplify (4i-5)(4i+5)
Step 1
Expand using the FOIL Method.
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Step 1.1
Apply the distributive property.
Step 1.2
Apply the distributive property.
Step 1.3
Apply the distributive property.
Step 2
Simplify and combine like terms.
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Step 2.1
Simplify each term.
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Step 2.1.1
Multiply .
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Step 2.1.1.1
Multiply by .
Step 2.1.1.2
Raise to the power of .
Step 2.1.1.3
Raise to the power of .
Step 2.1.1.4
Use the power rule to combine exponents.
Step 2.1.1.5
Add and .
Step 2.1.2
Rewrite as .
Step 2.1.3
Multiply by .
Step 2.1.4
Multiply by .
Step 2.1.5
Multiply by .
Step 2.1.6
Multiply by .
Step 2.2
Subtract from .
Step 2.3
Subtract from .
Step 2.4
Add and .