Find the Determinant [[seven , five , zero],[four , five , eight],[zero , minus one , five]]

Find the Determinant [[7,5,0],[4,5,8],[0,-1,5]]
Set up the determinant by breaking it into smaller components.
The determinant of is .
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The determinant of a matrix can be found using the formula .
Clarify the determinant.
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Clarify each term.
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First, multiply by .
Multiply by .
Clarify the expression.
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Add and .
Multiply by .
The determinant of is .
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The determinant of a matrix can be found using the formula .
Clarify the determinant.
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Simplify each term.
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Multiply by .
Initially, multiply by .
Simplify the expression.
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Add and .
Multiply by .
Since the matrix is multiplied by , the determinant is .
Subtract from .
Add and .
Can't Add different size matrices.
The combined expressions are .
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