(x+3)(x2 – 3x + 4) help simplify the expression.
2 answers:
Answer:
(x+3)(x2-3x+4)
x3-3x2+4x+3x2-9x+12=0
x3-3x2+3x2+4x-9x+12=0
x2-5x+12=0
x2-5x=-12
x2÷x-5x÷x=-12
1-5=-12
-4=-12
-4÷-4=-12÷-4
x=3
Answer:
x³-5x+12
Step-by-step explanation:
(x+3)(x²-3x+4)
=x³-3x²+4x+3x²-9x+12
collect like terms
=x³-3x²+3x²+4x-9x+12
=x³-5x+12
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