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tatuchka [14]
3 years ago
13

(3a+b)³ please help me​

Mathematics
2 answers:
bija089 [108]3 years ago
5 0

Answer:

27a^{3} +27a^{2}b+9ab+b^{3}

Step-by-step explanation:

(3a+b)(3a+b) = 9a^{2}+6ab+b^{2}\\(9a^{2}+6ab+b^{2})(3a+b) = 27a^{3} + 27a^{2}b +9ab^{2} +b^{3}

Anton [14]3 years ago
3 0

Answer:

Step-by-step explanation:

9a^3+18a^2b+9ab^2+b^2

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If a=2 and b=3,then ab=ba. show calculations to justify answer
Kipish [7]

if a =2 and b =3 then that would mean (2)(3)=(3)(2) so 2*3=3*2 and 2*3=6 and 3*2=6 so yes (2)(3)=(3)(2) or ab=ba

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7 0
3 years ago
Given the graphs of f(x) = -x + 2 and g(x) = 5x – 4, what is the solution to the equation f(x) = g(x)?
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Answer:

Hello,

5 s

Step-by-step explanation:

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3 years ago
You are traveling 75 miles per hour on the interstate. how long will it take you to travel 30 miles
Anvisha [2.4K]
<span>75 miles per hour

miles under miles   and hours and hours 
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