I think you have to combine like terms to solve this one. (6d - 3d) + (5 - 2) = 3d + 3
Answer:
Step 1 Divide all terms by a (the coefficient of x2).
Step 2 Move the number term (c/a) to the right side of the equation.
Step 3 Complete the square on the left side of the equation and balance this by adding the same value to the right side of the equation.
hope this help
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Step-by-step explanation:
Answer:
Step-by-step explanation:
1) x - 21x = 5
x = x * 1
21x = x * 21
GCF = x
x - 21x = 5
x*(1 -21) = 5
x * (-20) = 5
-20x = 5
x =5/-20
x = -1/4
2) 6n² = 6 * n * n
30n = 6 * 5 * n
GCF = 6*n = 6n
6n² + 30n = 0
6n*(n + 5 ) = 0
6n = 0 or n + 5 = 0
n = 0 n = -5
n = 0 or -5
Decimal Form:
0.92387953
exact form (\sqrt(2+2\sqrt(2)))/(2)
Find the mean of the numbers first. The find the difference that each one is from the mean (negative and positive differences). Find the mean of the differences and that is the MAD.
