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3 years ago

(2x2 - 4xy + 2y2) (3x-4)

Mathematics

1 answer:

sattari [20]3 years ago

5 0

Answer:

Work shown below!

Step-by-step explanation:

$(2x^{2} -4xy+2y^{2})(3x-4)=6x^{3}-8x^{2}-12x^{2}y+16xy+6xy^{2}-8y^{2}$

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What is one important thing you have to do before solving a word problem?

Darina [25.2K]

Answer:

read the answer through and collect all the information you can

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3 years ago

Michelle found the area of a circle as 78.5 〖in〗^2. She used 3.14 for π. What is the radius of the circle? Explain how you found

SCORPION-xisa [38]

Answer:

r = 5 inches

Step-by-step explanation:

Area of circle, $A=78.5\ in^2$

It is required to find the radius of the circle. The area of a circle is given by the formula :

$A=\pi r^2$

r is radius of the circle

$r=\sqrt{\dfrac{A}{\pi}} \\\\r=\sqrt{\dfrac{78.5}{3.14}} \\\\r=5\ \text{inch}$

So, the radius of the circle is 5 inches.

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3 years ago

Solve 3x² + 4x = 2. (2 points)

uysha [10]

Answer:

Step-by-step explanation:

As it is a second order equation, it means that it has two possible answers and they are $x_1$ and $x_2$ .

The famous quadratic formula for solving any second order equation is the following:

$x_{1} = \frac{-b + \sqrt{b^2 - 4 ac}}{2a}\\x_{2}=\frac{-b - \sqrt{b^2 - 4 ac}}{2a}$

Where a is the coefficient of $x^2$ , b is the coefficient of x, and c is the free term. In other words,

$a = 3\\b=4\\c=-2$

as the equation should be in the following form:

$a x^2 + bx+c = 0$

Therefore the possible answer should be the following,

$\frac{-4 + \sqrt{4^2 - 4*3*(-2)}}{2*3}=\frac{-4 +\sqrt{16 + 24}}{6} =\frac{-4 + \sqrt{40}}{6}=\\ \frac{-4 + \sqrt{4*10}}{6} = \frac{-4 + 2\sqrt{10}}{6}$ $\frac{2*(-2 + \sqrt{10})}{2*3} = \frac{-2 + \sqrt{10}}{3}$

by dividing the numerator and denominator by 2, we can deduce the following,

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2 years ago

15y +5x- 7y+1x-3y i need help

vladimir2022 [97]

Answer:

simplify the expression: 6x+5y

Step-by-step explanation:

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3 years ago

A store is located 10 miles from my house, it takes the average female 20 minutes to talk from the store back to her house. Why

grin007 [14]

Answer:

Because she may have been abducted by aliens and there time way is way slower than ours so 20 mins for them is like 15 years for ua, ao you should have her back in 3 years. Lemme get brainliest too

Step-by-step explanation:

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3 years ago

Read 2 more answers