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What is the product of 
6,x^(2)-3x, and 
x-10 ?
Choose 1 answer:
(A) 
-42 x+180
(B) 
6x^(2)-78 x+180
(C) 
6x^(3)-42x^(2)+180 x
(D) 
6x^(3)-78x^(2)+180 x

What is the product of 6,x23x 6, x^{2}-3 x , and x10 x-10 ?\newlineChoose 11 answer:\newline(A) 42x+180 -42 x+180 \newline(B) 6x278x+180 6 x^{2}-78 x+180 \newline(C) 6x342x2+180x 6 x^{3}-42 x^{2}+180 x \newline(D) 6x378x2+180x 6 x^{3}-78 x^{2}+180 x

Full solution

Q. What is the product of 6,x23x 6, x^{2}-3 x , and x10 x-10 ?\newlineChoose 11 answer:\newline(A) 42x+180 -42 x+180 \newline(B) 6x278x+180 6 x^{2}-78 x+180 \newline(C) 6x342x2+180x 6 x^{3}-42 x^{2}+180 x \newline(D) 6x378x2+180x 6 x^{3}-78 x^{2}+180 x
  1. Identify Terms: Identify the terms to be multiplied.\newlineWe need to multiply the polynomial (6x23x)(6x^2 - 3x) by the binomial (x10)(x - 10).
  2. Use Distributive Property: Use the distributive property to multiply each term in the first polynomial by each term in the binomial.\newlineFirst, multiply 6x26x^2 by xx to get 6x36x^3.\newlineThen, multiply 6x26x^2 by 10-10 to get 60x2-60x^2.\newlineNext, multiply 3x-3x by xx to get 3x2-3x^2.\newlineFinally, multiply 3x-3x by 10-10 to get xx11.
  3. Combine Like Terms: Combine like terms.\newlineWe have 6x36x^3 from the first multiplication.\newlineFrom the second and third multiplications, we combine 60x2-60x^2 and 3x2-3x^2 to get 63x2-63x^2.\newlineFrom the last multiplication, we have 30x30x.\newlineSo, the expression becomes 6x363x2+30x6x^3 - 63x^2 + 30x.
  4. Match with Choices: Match the resulting expression with the given choices.\newlineThe expression we found is 6x363x2+30x6x^3 - 63x^2 + 30x, which is not exactly listed in the choices. However, we can see that there is a mistake in the combination of like terms. The correct combination should be 60x2-60x^2 and 3x2-3x^2 to get 63x2-63x^2, which is not one of the choices. We need to re-evaluate our calculations.

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