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Artist 52 [7]
3 years ago
10

Simplify by factoring URGENT!!! What did I do wrong??

Mathematics
1 answer:
Semenov [28]3 years ago
5 0

Answer:

  4(x-2)(x-1)^3(x+1)\sqrt{x-1}

Step-by-step explanation:

4x(x-1)^{9/2}-8(x-1)^{7/2}=4(x-1)^{7/2}(x(x-1)^{2/2} -2)=4(x-1)^{7/2}(x^2-x-2)\\\\=4(x-1)^{7/2}(x-2)(x+1)=4(x-2)(x-1)^3(x+1)\sqrt{x-1}

___

Among other things, the leading coefficient cannot be 2, as 4 is a factor of both the given terms.

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Adding Integers

If the numbers that you are adding have the same sign, then add the numbers and keep the sign.

Example:

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Adding Numbers with Different Signs

If the numbers that you are adding have different (opposite) signs, then SUBTRACT the numbers and take the sign of the number with the largest absolute value.

Examples:

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Subtracting Integers

When subtracting integers, I use one main rule and that is to rewrite the subtracting problem as an addition problem. Then use the addition rules.

When you subtract, you are really adding the opposite, so I use theKeep-Change-Change rule.

The Keep-Change-Change rule means:

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The great thing about multiplying and dividing integers is that there is two rules and they apply to both multiplication and division!

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6 0
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