Question about SoftMath Algebrator - Algebra Homework Solver (689076614429)

# Arithmatic progressions the sixth term of an A.P is equal to 2.the value of the common difference of the A.P which makes the product a1a4a5 least is given by

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• ginkbole Feb 20, 2009

where do i put the parenthesis to make this problem true: 6x4-3=8

• bsevinc May 11, 2010

There is no solution to this question unless you change the math rules.

(6x4)+3=21
6x(4-3)=6
(6x4-3)=21

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(6x4)/(-3)

Posted on Apr 07, 2009

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Posted on Jan 02, 2017

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### 4x - 2x + 1 = 5 + x - 7

1. Combine like terms on the left side of =

4x-2x =2x

New left side is 2x + 1

2. Combine like terms on right side of =

5 - 7 = -2

New right side is x - 2

3. New problem is 2x + 1 = x - 2

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2x - x = -2 - 1

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4(-3) - 2(-3) + 1 = 5 + (-3) -7

7. Now do the arithmatic and hopefully the left and right sides are equal.

-12 + 6 +1 = 5 -3 -7
-5 = -5

Since this is a true statement I know my answer of x = -3 is the correct solution to this problem.

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Using elementary algebria in the binomial theorem, I expanded the power (x + y)^n into a sum involving terms in the form a x^b y^c. The coefficient of each term is a positive integer, and the sum of the exponents of x and y in each term is n. This is known as binomial coefficients and are none other than combinatorial numbers.

Combinatorial interpretation:

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The summation sign is the general term. Each term in the sum will look like that as you will see on my calculator display. Tthe first term having k = 0; then k = 1, k = 2, and so on, up to k = n.
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the 6th term of an A.P is equal to 2.the value of common difference of the A.P which makes the product a1a4a5 least is given by

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