3 years ago

Simplify: LaTeX: (4a + 6b)^2.

Mathematics

1 answer:

Nady [450]3 years ago

8 0

Answer:

4 (2a+3b)^2

Step-by-step explanation:

(4a+6b)^2 = (4a+6b) * (4a+6b) = 16a^2 +48ab + 36b^2

take 4 common factor

4 (4a^2 + 12ab + 9b^2) = 4 (2a+3b)^2

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Solve the following equation 6(z-2)+4=10<br> A.z=2<br> B.z=3<br> C.z=-3<br> D.z=-4

seropon [69]

6z - 12 + 4 = 10
6z -8 = 10
6z = 18
z = 3

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3 years ago

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ICE Princess25 [194]

The correct answer here is A

Explain

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3 years ago

Subtract 7x^2−5xy+8y^2 from −2x^2−15xy+9y^2

Ghella [55]

Answer:

$y^2-10xy-9x^2$

Step-by-step explanation:

We want to subtract $7x^2 -5xy+8y^2$ from $-2x^2-15xy+9y^2$ .

We set up the subtraction problem as follows:

$(-2x^2-15xy+9y^2)-(7x^2-5xy+8y^2)$ .

We expand the brackets to obtain;

$=-2x^2-15xy+9y^2-7x^2+5xy-8y^2$ .

We regroup the terms to obtain;

$=9y^2-8y^2-15xy+5xy-2x^2-7x^2$ .

We now simplify to obtain;

$=y^2-10xy-9x^2$ .

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3 years ago

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bearhunter [10]

I think it is 1 1/3 ? If not I’m so sorry

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3 years ago

Find the value of X. Round to the nearest tenth.

denis23 [38]

Answer:

If should be 10.4 for c and -3558.4 for the total answer

Step-by-step explanation:

By using the theorem

$a ^{2} + b^{2} = c^{2}$

You will get 10.4.

Now plugging that number to that other formula, I got -3558.4

Hope this helped

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3 years ago