First binomial formula — expand (ax + b)²
First binomial formula — (ax + b)²
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Expand the expression using the first binomial formula.
(1x + 2)² =
x² + x +
What does the generator do?
The generator picks random whole numbers a, b between 1 and 7 and shows the expression (ax + b)². Fill in the three coefficients a², 2ab and b².
How to solve
Square the first number, take twice the product of the two numbers, then square the second number. The three coefficients give the expanded expression.
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