Salandanan158go Salandanan158go Math Answered Algebraic expressions B.Add the following polynomials. 1.(-6x-3)+(3x-9)=______ 2.(3x'2+5x-9)+(-3x+4)=_____ kahit ito po sana masagutan need ko lang po i bra brainly ko makasagot pls sagot maayos