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Cerrena [4.2K]
3 years ago
12

Factorize

a {}^{2} - 9b {}^{2} " alt="a {}^{2} - 9b {}^{2} " align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
AleksAgata [21]3 years ago
4 0
1^2 (a-9b)

Not sure but hope it helps :)
lakkis [162]3 years ago
3 0

Answer:

(a - 3b)(a + 3b)

Step-by-step explanation:

a² - 9b²

(a)² - (3b)²

(a - 3b)(a + 3b)

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The measure of an angle is 114º. Calculate the measure of its supplementary angle.
sp2606 [1]

Answer:

66°

Step-by-step explanation:

Supplementary angles sum to 180°, thus

supplementary angle = 180° - 114° = 66°

8 0
2 years ago
Who would you solve 8x+-2y-10
olchik [2.2K]
Okay, for this one I would use elimination:

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8 0
3 years ago
Help me plz and explain how u got it
mario62 [17]
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Dahasolnce [82]
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strojnjashka [21]
N/8+4=28.
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