Expand Brackets

Calculate Expand Brackets instantly with the exact formula and a worked example.

Expand Brackets

a
b
c
d
(ax+b)(cx+d): ac
8
x²·8 + x·22 + 15Calculate Expand Brackets instantly with the exact formula and a worked example.

More about: Expand Brackets

What it calculates

The “Expand Brackets” calculator computes (ax+b)(cx+d): ac from 4 parameters: a, b, c, d.

A core calculation for studying, engineering tasks, and checking solutions.

Example calculation

With parameters a = 2, b = 3, c = 4, d = 5 the result is 8 (x²·8 + x·22 + 15).

How to use

  1. Enter a, b, c and d — each field above is adjustable with a slider.
  2. (ax+b)(cx+d): ac is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

Related calculators

FAQ

How is Expand Brackets calculated?
The Expand Brackets calculator computes (ax+b)(cx+d): ac from a, b, c, d. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Expand Brackets calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

More calculators in this category

Explore related free tools

Cross MultiplicationBig NumberPower & LogarithmRadical EquationAbsolute Value EquationFunction Composition (f∘g)Inverse FunctionSin, Cos, Tan & CotInverse Trig Functions (arc)Trigonometric IdentitiesSum & Difference FormulasDouble Angle Formula