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2 years ago

Find the length of AB

Mathematics

1 answer:

hjlf2 years ago

3 0

Answer:

the answer is 36centameters

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Find the product. -1/4y(2y^3 - 8)

Marina86 [1]

8 0

3 years ago

(3x2 + 9x + 6) - (8x2 + 3x - 10) + (2x + 4)(3x - 7)

nika2105 [10]

Answer:

Let's simplify step-by-step.

3x2+9x+6−(8x2+3x−10)+(2x+4)(3x−7)

Distribute:

=3x2+9x+6+−8x2+−3x+10+(2x)(3x)+(2x)(−7)+(4)(3x)+(4)(−7)

=3x2+9x+6+−8x2+−3x+10+6x2+−14x+12x+−28

Combine Like Terms:

=3x2+9x+6+−8x2+−3x+10+6x2+−14x+12x+−28

=(3x2+−8x2+6x2)+(9x+−3x+−14x+12x)+(6+10+−28)

=x2+4x+−12

Answer:

=x2+4x−12

3 0

2 years ago

I need helpasdasdasdasd

exis [7]

Answer: Is C

Your answer: C

8 0

2 years ago

Help me with this please

seropon [69]

Answer:
8x+y

Explanation:
3x+4y+5x-3y
Rearrange the terms so like terms are next to each other
3x+5x+4y-3y
Combine like terms
8x+y

I hope this helps!

7 0

2 years ago

Prove the polynomial identity.

aleksandr82 [10.1K]

Explanation:

Since we have given that

$(2x+1)^2-2(2x+1)$

Now, we have to prove it as

$(2x+1)(2x-1)$

Now, start the iterations:

$(2x+1)^2-2(2x+1)\\\\=4x^2+1+4x-4x-2\\\\=4x^2+1-2\\\\=4x^2-1\\\\=(2x)^2-1\\\\=(2x+1)(2x-1)$

So, first blank will be filled with

$4x^2+4x+1$

Second blank will be filled with

$4x^2-1$

Hence proved.

7 0

2 years ago