A piece of pizza is 3 inches long. A sub sandwich is 8% longer than the slice of pizza. How long is the sub sandwich?

Lassify the function as linear or quadratic and identify the quadratic, linear, and constant terms. f(x) = (3x + 2)(−6x − 3) linear function; linear term: −21x; constant term: −6 linear function; linear term: −18x2; constant term: −6 quadratic function; quadratic term: 6x2; linear term: 24x; constant term: −6 quadratic function; quadratic term: −18x2; linear term: −21x; constant term: −6

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Math it's appreciated. (picture provided)