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Step2247 [10]
3 years ago
12

Solve 3x2 + 4x = 2I need it solved with the quadratic formula​

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
8 0
3x2+4x=2
6+4x=2
-6 -6
4x=-4
4 4
x=-1
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What's the equation for twice the difference of a number and 6 is equal to three times the sum of the number and 3
alukav5142 [94]
2(x-6)=3(x+3)

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

<span><span>2<span>(<span>x−6</span>)</span></span>=<span>3<span>(<span>x+3</span>)

</span></span></span>Step 1: Simplify both sides of the equation.

<span><span>2<span>(<span>x−6</span>)</span></span>=<span>3<span>(<span>x+3</span>)

</span></span></span><span>Simplify: (Show steps)

</span><span><span><span>2x</span>−12</span>=<span><span>3x</span>+9

</span></span>Step 2: Subtract 3x from both sides.

<span><span><span><span>2x</span>−12</span>−<span>3x</span></span>=<span><span><span>3x</span>+9</span>−<span>3x

</span></span></span><span><span><span>−x</span>−12</span>=9

</span>Step 3: Add 12 to both sides.

<span><span><span><span>−x</span>−12</span>+12</span>=<span>9+12

</span></span><span><span>−x</span>=21

</span>Step 4: Divide both sides by -1.

<span><span><span>−x/</span><span>−1</span></span>=<span>21/<span>−1

</span></span></span><span>x=<span>−21

</span></span>Answer:

<span>x=<span>−<span>21</span></span></span>
8 0
3 years ago
Find the surface area of the image below
sergey [27]

The surface area of the provided figure is 1051.2 square ft after calculating the area separately.

<h3>What is the area of the rectangle?</h3>

It is defined as the area occupied by the rectangle in two-dimensional planner geometry.

The area of a rectangle can be calculated using the following formula:

We have given a three-dimensional figure with dimensions.

The surface area = area of seven rectangles + area of two triangle

= 15×9 + 2(15×12) + 2(9×12) + 2(9×15) + 2(1/2)[9(19.8-12)]

= 135 + 360 + 216 + 270 + 70.2

= 1051.2 square ft

Thus, the surface area of the provided figure is 1051.2 square ft after calculating the area separately.

Learn more about the rectangle here:

brainly.com/question/15019502

#SPJ1

7 0
2 years ago
The gcf of 23 and 46
Sergeu [11.5K]
The cc’d between 23 and 46 is 23
7 0
3 years ago
Determine whether each expression is equivalent to −9.8+(−4.3).
deff fn [24]
A=yes
b=yes
c=no
d=no
e=yes
7 0
3 years ago
Read 2 more answers
Plz help due tonight
krek1111 [17]
180 - 24 - 37 = 119

Angle 1 is 119 degrees.
7 0
3 years ago
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