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stiv31 [10]
2 years ago
5

What number should be added to both sides of the equation to complete the square X2+3x=6

Mathematics
2 answers:
Paladinen [302]2 years ago
5 0

Answer:

\frac{9}{4}

Step-by-step explanation:

Here we will first split the middle term in such way that it is a product of 2 and some factor. In this case 3 can be splitter as product of 2 and 3/2.

We then add the square of 3/2 on both sides. Let us see how:

x^2+3x=6\\x^2+2*\frac{3}{2}*x=6\\x^2+2*\frac{3}{2}*x+(\frac{3}{2})^2=6+(\frac{3}{2})^2\\(x+\frac{3}{2})^2=6+\frac{9}{4}\\(x+\frac{3}{2})^2=\frac{33}{4}

harina [27]2 years ago
3 0

Answer:

add 6

Step-by-step explanation:

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I need help with this question plsss
olga55 [171]

Answer: maybe its 6

Step-by-step explanation:

i think its 6 because it has +3 so maybe adding 3+3

7 0
3 years ago
ILL GIVE BRAINLIEST TO QUICKEST AND BEST ANSWER!
Lana71 [14]

Answer:

A. x^{3} + 3x^{2} +5x+3

B. 2x^{3} -3x^{2} -5x+6

C. 3y^{3} - 4y^{2} -11y+4

D. x^{2} - 2xy+y^2+x - y

E.  3m^2-2mn-n^2+6m+2n

F.  4x^4+4x^3+5x^2+2x+1

4 0
2 years ago
Can someone please help me?? :( I will give brainliest
Simora [160]

Answer:

I think it is d either that or b, but im more positive its d

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Parallelograms don’t understand
djyliett [7]

Answer:-43 + 9x = 0

Step-by-step explanation:Simplifying

9x + -43 = 0

Reorder the terms:

-43 + 9x = 0

Solving

-43 + 9x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '43' to each side of the equation.

-43 + 43 + 9x = 0 + 43

Combine like terms: -43 + 43 = 0

0 + 9x = 0 + 43

9x = 0 + 43

Combine like terms: 0 + 43 = 43

9x = 43

Divide each side by '9'.

x = 4.777777778

Simplifying

x = 4.777777778

5 0
2 years ago
Krispy Kritters Cereal used to come in a
shtirl [24]

Answer:

1335cm³

Step-by-step explanation:

The question above says that,Krispy kritters cereal used to come in a box with a volume of 2,850 cm3. However, the krispy kritters co. Designed a new larger box 22.5 cm wide, 6.2 cm deep, and 30 cm high and we are now asked to find "How many more cubic centimeters will the new box hold than the old box?

Now we are all aware that the volume of a cube or cuboid(since its a box ) is length multipled by width multiplied by the height.

And we were given the new dimensions which are;

12.5cm wide

6.2cm deep and

30cm high

Apply this given figures in the formula above and we have:

V = 12.5 × 6.2 × 30

= 4185cm³( this is the volume of the box)

Therefore,the difference in volume between the new box and the old box is

4185 - 2850 = 1335cm³

5 0
3 years ago
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