Algebra Calculator
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Algebra Calculator is a calculator that gives step-by-step help on algebra problems.

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  • (a + b)2= a2 + 2ab + b2
  • a2+ b2 = (a – b)2 + 2ab
  • (a – b)2= a2 – 2ab + b2
  • (a + b + c)2= a2 + b2 + c2 + 2ab + 2ac + 2bc
  • (a – b – c)2= a2 + b2 + c2 – 2ab – 2ac + 2bc
  • (a + b)3= a3 + 3a2b + 3ab2 + b3
  • (a – b)3= a3 – 3a2b + 3ab2 – b3

Basic algebra problems

The basic algebraic formulas are:

  • [latex]a2– b2 = (a – b) (a + b)[/latex]
  • (a + b)2= a2 + 2ab + b2
  • a2+ b2 = (a – b)2 + 2ab
  • (a – b)2= a2 – 2ab + b2
  • (a + b + c)2= a2 + b2 + c2 + 2ab + 2ac + 2bc
  • (a – b – c)2= a2 + b2 + c2 – 2ab – 2ac + 2bc
  • (a + b)3= a3 + 3a2b + 3ab2 + b3
  • (a – b)3= a3 – 3a2b + 3ab2 – b3
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Algebra Calculator, How to do Algebra?

You will usually see both known values and unknown values in an algebraic expression, and you solve the equation for an unknown value. To solve that equation, you need to do algebra, in which you need to follow the same order of operations you do for the integers.

For example, you will first solve what is inside the parenthesis, then go for the following operations in sequence: exponents, multiplication, division, addition, and subtraction.

The following are the term which you will see in an algebraic expression.

  • An equation is a statement or sentence that defines two identities separated by an equal (=) sign.
  • Expression is a list or a group of different terms usually separated by ‘+’ or ‘- ‘sign

If a and b are two integers, the following are basic algebraic expressions:

  • Addition equation: a + b
  • Subtraction equation: b – a
  • Multiplication equation: ab
  • Division equation: a/b or a ÷ b