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Question
Math
Posted 10 months ago
Expand.
Your answer should be a polynomial in standard form.
(f+10)(3f1)=
(-f+10)(3 f-1)=

\square
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Answer from Sia
Posted 10 months ago
Solution by Steps
step 1
To expand the expression (f+10)(3f1)(-f+10)(3f-1), we will use the distributive property (also known as the FOIL method for binomials)
step 2
First, multiply the first terms in each binomial: (f)(3f)=3f2(-f) \cdot (3f) = -3f^2
step 3
Second, multiply the outer terms: (f)(1)=f(-f) \cdot (-1) = f
step 4
Third, multiply the inner terms: (10)(3f)=30f(10) \cdot (3f) = 30f
step 5
Fourth, multiply the last terms in each binomial: (10)(1)=10(10) \cdot (-1) = -10
step 6
Combine the like terms ff and 30f30f to get 31f31f
step 7
The expanded form is 3f2+31f10-3f^2 + 31f - 10
step 8
Write the polynomial in standard form: 3f2+31f10-3f^2 + 31f - 10
Answer
3f2+31f10-3f^2 + 31f - 10
Key Concept
Expanding Binomials
Explanation
To expand a product of two binomials, we multiply each term in the first binomial by each term in the second binomial and combine like terms.

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