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Deffense [45]
3 years ago
8

Factor: a^2+b^2–c^2+2ab

Mathematics
2 answers:
Kruka [31]3 years ago
6 0

Rearrange the polynomial:

a^2–2ab+b^2 - c^2

((a-b)(a-b))-c^2

(a-b)^2-c^2

Set x =a-b and y=c. The formula becomes

x^2-y^2

factoring this polynomial, we get

(x+y)(x-y)

Substituting back, we get:

(a+b+c)(a+b-c)

Let’s multiply it out to check:

A^2 -ab ac

- ab B^2 -bc

-ac bc -c^2

Mrac [35]3 years ago
3 0

Answer:

  • (a + b + c)(a + b - c)

Step-by-step explanation:

<u>Use of formula:</u>

  • (a+b)^2 = a^2 + 2ab + b^2
  • a^2 - b^2 = (a + b)(a - b)

<u>Factoring the expression</u>

  • a^2 + b^2 – c^2 + 2ab =
  • (a^2 + 2ab + b^2) - c^2 =
  • (a + b)^2 - c^2 =
  • (a + b + c)(a + b - c)
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Answer:

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Step-by-step explanation:

Let

x -----> the number of yellow rose bushes

y -----> the number of red rose bushes

we know that

At least means "greater than or equal to"

x \geq 4y ----> inequality A

7.50x+4.75y\leq 125 -----> inequality B

additionally

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x > 0 ----> inequality C

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therefore

The restraints are

x \geq 4y

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Which two points satisfy y = -x2 + 2x + 4 and x + y = 4?
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Megan was cleaning out her desk drawer.She noticed that there are 6 pencils for every 14 pens in her desk drawer.What percentage
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