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Flauer [41]
2 years ago
10

Choose the product.

Mathematics
2 answers:
Grace [21]2 years ago
6 0
Answer is A, -20p^5-15p^4+5p^3
ValentinkaMS [17]2 years ago
3 0
Simply distribute, multiplying the coefficients and adding exponents when necessary...

<span>-5p^3 (4p^2 + 3p - 1)

The first term I'll explain then just do the rest

-20p^5 

because -5*4 = -20 and p^3 * p^2 = p^5. Since we are multiplying bases with exponents, we keep the bases and add the exponents, now for the rest of the expression

</span>-20p^5 -15p^4 + 5p^3, Option A.
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Solve the equation for<br> x 3/4(x+21) = 10.5 <br> x =
MrRa [10]
<h3>✍️ Answer:</h3><h3>x=-\frac{294}{13}</h3>

✽✽✽✽

\frac{x\cdot \:3}{4\left(x+21\right)}=10.5

\mathrm{Multiply\:both\:sides\:by\:}4\left(x+21\right)

\frac{x\cdot \:3}{4\left(x+21\right)}\cdot \:4\left(x+21\right)=10.5\cdot \:4\left(x+21\right)

3x=42\left(x+21\right)

3x=42x+882

\mathrm{Subtract\:}42x\mathrm{\:from\:both\:sides}

3x-42x=42x+882-42x

-39x=882

\mathrm{Divide\:both\:sides\:by\:}-39

\frac{-39x}{-39}=\frac{882}{-39}

x=-\frac{294}{13}

❅❅❅❅❅❅❅❅❅❅

<h3>hope it helps...</h3><h3>have a great day!!</h3>
4 0
2 years ago
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