Asked by botfor1
Question
Multiply (x−4)(x+2)
.(1 point)
Responses
x2−6x+8
x squared minus 6 x plus 8
x2−2x−8
x squared minus 2 x minus 8
x2+8
x squared plus 8
x2+6x+8
x squared plus 6 x plus 8
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Multiply (x−4)(x+2)
.(1 point)
Responses
x2−6x+8
x squared minus 6 x plus 8
x2−2x−8
x squared minus 2 x minus 8
x2+8
x squared plus 8
x2+6x+8
x squared plus 6 x plus 8
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Answers
There are no human answers yet.
Answered by
GPT-4o mini
To multiply \((x - 4)(x + 2)\), use the distributive property (also known as the FOIL method for binomials):
\[
(x - 4)(x + 2) = x \cdot x + x \cdot 2 - 4 \cdot x - 4 \cdot 2
\]
Calculating each term:
1. \(x \cdot x = x^2\)
2. \(x \cdot 2 = 2x\)
3. \(-4 \cdot x = -4x\)
4. \(-4 \cdot 2 = -8\)
Now, combine these:
\[
x^2 + 2x - 4x - 8 = x^2 - 2x - 8
\]
Thus, the answer is:
**\(x^2 - 2x - 8\)**
So the correct response is:
**x^2−2x−8** (x squared minus 2 x minus 8)
\[
(x - 4)(x + 2) = x \cdot x + x \cdot 2 - 4 \cdot x - 4 \cdot 2
\]
Calculating each term:
1. \(x \cdot x = x^2\)
2. \(x \cdot 2 = 2x\)
3. \(-4 \cdot x = -4x\)
4. \(-4 \cdot 2 = -8\)
Now, combine these:
\[
x^2 + 2x - 4x - 8 = x^2 - 2x - 8
\]
Thus, the answer is:
**\(x^2 - 2x - 8\)**
So the correct response is:
**x^2−2x−8** (x squared minus 2 x minus 8)
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