How do you simplify #21(a+2b)+14a9b#?
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To simplify the expression 21(a+2b)+14a9b, you can follow these steps:

Distribute the 21 to both terms inside the parentheses: 21 * a = 21a 21 * 2b = 42b

Combine like terms within the parentheses: 21a  42b

Combine like terms outside the parentheses: 21a  42b + 14a  9b

Combine like terms: (21a + 14a) + (42b  9b)

Simplify each set of like terms: 7a  51b
So, the simplified expression is 7a  51b.
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When evaluating a onesided 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 onesided 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 onesided 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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