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Math A Review

Factoring

Factoring out the greatest common factor
ax + bx = x(a + b)
Factoring a quadratic trinomial
where a=1
    1) Write in descending order.
    2) Write in binomial factors.     (     )(     )
    3) Factors of c (the constant) that add or subtract to get b (the coeff. of the middle term)
Factoring the difference between two squares.
x^2 - a^2= (x - a)(x + a)