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3 years ago

Expand and Simplify (2x+1)(x-2)(x+3)

1 answer:

6 0

$(2x + 1)(x - 2)(x + 3) \\ = (2x + 1)( {x }^{2} + x - 6) \\ ={2x}^{3} + 2 {x}^{2} -12x + {x}^{2} + x - 6 \\ = 2 {x}^{3} + 3 {x}^{2} - 11x - 6$
hope this would help you

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solniwko [45]

Answer:

308.5 lol

Step-by-step explanation:

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2 years ago

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1.) -2(6 - 2x) = 4(-3 + x) 2.) 5 - 1(2x + 3) = -2(4 + x)

Scrat [10]

Let's solve your equation step-by-step.

Question 1: −2(6−2x) =4(−3+x)

Step 1: Simplify both sides of the equation.

−2(6−2x) =4(−3+x)

(−2) (6) +(−2) (−2x) =(4)(−3)+(4)(x)(Distribute)

−12+4x=−12+4x

4x−12=4x−12

Step 2: Subtract 4x from both sides.

4x−12−4x=4x−12−4x

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Step 3: Add 12 to both sides.

−12+12=−12+12

0=0

Answer: All real numbers are solutions.

Question 2:

Let's solve your equation step-by-step.

5−1(2x+3) =−2(4+x)

Step 1: Simplify both sides of the equation.

5−1(2x+3) =−2(4+x)

5+(−1) (2x) +(−1) (3) =(−2) (4)+(−2)(x)(Distribute)

5+−2x+−3=−8+−2x

(−2x) +(5+−3) =−2x−8(Combine Like Terms)

−2x+2=−2x−8

Step 2: Add 2x to both sides.

−2x+2+2x=−2x−8+2x

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Step 3: Subtract 2 from both sides.

2−2=−8−2

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Answer: There are no solutions.

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3 years ago

The front of the stage, side C, is 50 feet long. A 40-foot rope runs along the side of square B. A 30-foot rope runs along the s

Brilliant_brown [7]

Answer:

C=hypotenuse [h]=50 feet

A=[base]=40foot.

B=perpendicular [p]=?

Area =?

we have

By using Pythagoras law

p²+b²=h²

B²=40²=50²

B²=50²-40²

B=√900

B=30feet

we have

Area of triangle =½×A×B=½×30×40=600feet²

the roped off area is 600 square feet.

it is a right angled triangle.

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3 years ago

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Flura [38]

The first one- the rest don’t add up

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2 years ago

Henry will need a total of 15 pints of paint. The 3 pints of yellow were multiplied by 3 to get 9 total, so 2 pints of red would

bonufazy [111]

Answer:

All answers are correct.

Step-by-step explanation:

Henry needs a total of 15 pints.

3 pints of yellow multiplied by 3 gives 9 pints of yellow, he needs 6 pints of red to get to 15, so he multiplies 2 pints of red by 3 to get 6 pints of red.

You add 9 + 6 to get the total of 15 pints he needs.

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2 years ago