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Anika [276]
3 years ago
9

9. (3x + 4y)² – (3z) 2square​

Mathematics
2 answers:
rodikova [14]3 years ago
5 0
Solution: (3x + 4y - 3z) x (3x + 4y + 3z)
S_A_V [24]3 years ago
4 0

Answer:

(3x + 4y - 3z)(3x + 4y + 3z)

Step-by-step explanation:

(3x + 4y)² - (3z)² ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b)

Here a = 3x + 4y and b = 3z, then

(3x + 4y)² - (3z)²

= (3x + 4y - 3z)(3x + 4y + 3z) ← in factored form

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3 years ago
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Answer:

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8 0
3 years ago
How many solutions are there for the equation y = x + 2?
defon

Answer:

Infinite solutions.

Step-by-step explanation:

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