How do you simplify #(-9)(-7)+(-9)(7) - (9)(-7)#?
Multiply the pairs of terms.
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To simplify the expression (-9)(-7) + (-9)(7) - (9)(-7), you can follow these steps:
- Calculate the products: (-9)(-7) = 63, (-9)(7) = -63, and (9)(-7) = -63.
- Substitute the values into the expression: 63 + (-63) - (-63).
- Simplify further: 63 + (-63) + 63.
- Combine like terms: 63 - 63 + 63 = 63.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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