(x+2)(x+3)
Multiply each number with FOIL
First: x × x= x^2
Outside: x × 3 = 3x
Inside: 2 × x = 2x
Last: 2 × 3 = 6
add up all the values: x^2 + 3x + 2x + 6
Simplify: x^2 + 5x + 6
this is now a quadratic trinomial
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