3 years ago

Multiply the polynomial 2x(x−3) A)2x^2-6x B)2x-6 C)x^2-6

Mathematics

1 answer:

dlinn [17]3 years ago

6 0

Multiply 2x by each term in the parentheses:

2x(x - 3)
2x^2 - 6x

Answer:
2x^2 - 6x

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42 points!

kupik [55]

Answer:

Step-by-step explanation:

30x20=600

5 0

3 years ago

Read 2 more answers

Two bowls and one cup weigh 800 grams. One bowl and two cups weigh 700 grams. Find the weight of the bowl and the cup

antoniya [11.8K]

Answer:

\large \boxed{\textbf{Bowl = 300 g; cup = 200 g}}

Step-by-step explanation:

Let b = the mass of a bowl

and c = the mass of a cup

We have two conditions:

$\begin{array}{lrcl}(1) &2b + c & = & 800\\(2) & b + 2c & = & 700\\\end{array}$

Calculations:

$\begin{array}{lrcll}(3) & 4b + 2c &= & 1600&\text{ Multiplied (1) by 2}\\& 3b & = & 900&\text{Subtracted (2) from (3)}\\(4) & b & = & \mathbf{300}&\text{Divided each side by 3}\\ & 600 + c & = & 800&\text{Substituted (4) into (2}\\ & c & = & \mathbf{200}\\\end{array}\\\text{The mass of a bowl is $\large \boxed{\textbf{300 g}}$ and that of a cup is $\large \boxed{\textbf{200 g}}$}$