Please help me

what is the answer for those and if u can’t simplify some please tell me

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

S-7< 3 i need answering this problem someone asap answer

What expression is equivalent to 1/2(2+3x-6)