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Q: How do you solve 3a square root 21?

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-21 = 9a - 15 - 3a -6 = 6a -1 = a

depends what 'a' =

3a = 21 Therefore, a = 21/3 a = 7

3a - 7 = -28 Therefore, 3a = -21 a = -21/3 Therefore, a = -7

a-1<2a-6<9+3a

3a x 2a =24

p=b+3a+c p-3a-c=b+3a-3a+c-c p-3a-c=b b=p-3a-c

-3(a^2 - 3a + 7)

The cube root of 27a12 is 3a4.

3a2

3.5

a = 3

9a+21 3(3a+7)

3a is part of an algebra equation. It mean the variable "a" time 3. to solve, you need to know the value of a. if the value of a is 5 the 3a would be 3 x 5 which is 15.

3a + 4 = 4a - 3 4 = a -3 (subtract 3a from each side) 7 = a (add 3 to both sides) a = 7

9a2=24a-16 9a2-24a+16=0 (3a-4)(3a-4)=0 3a-4=0 a=4/3 double root

36 -20 = 16

What is the answers to -7 ( a + b - 5 ) + 8 ( -3a +2b ) + b ( 7 + 3 )

6a square plus b square

15ab square units

3a^2 + 3a^2 = 6a^2 3a^2 - 3a^2 = 0 3a^2 x 3a^2 = 9a^4 3a^2 divided by 3a^2 = 1

First you find like terms so you subtract 12-9 Then you get 3a Your other like terms are 3+18 Then you get 21 So your answer is 3a+21

If you mean: 4a +29 -3a -a +3a then it simplifies to 29 +3a

7a minus 2, if "3a-2" means 3a minus 2. 3a plus 1 and 1-3rd in parenthesis times 3a, if "3a-2" means 3a squared. a plus 3a squared plus 3a = 1-3rd times 3a plus 3a times 3a plus 1 times 3a = 3a plus 1 and 1-3rd in parenthesis times 3a

81(a^4)

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