document.write( "Question 562125: is 4x(3+x) quadratic?
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Algebra.Com's Answer #364469 by KMST(5328)\"\" \"About 
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\"f%28x%29=4x%283%2Bx%29\"=\"4x%5E2%2B12x\" can be called a quadratic function.
\n" ); document.write( "\"4x%283%2Bx%29\"=\"4x%5E2%2B12x\" can be called a quadratic trinomial or a quadratic polynomial. The fact that there is an \"x%5E2\" in it makes quadratic.
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