C-03-Q146mediumsingle_mcqFactorize 3x3+2x+53x^3 + 2x + 53x3+2x+5:a(x+1)(3x2−3x+5)(x+1)(3x^2 - 3x + 5)(x+1)(3x2−3x+5)bব্যাখ্যাSubstituting x=−1x=-1x=−1 gives −3−2+5=0-3 - 2 + 5 = 0−3−2+5=0, so (x+1)(x+1)( is a factor. Dividing by leaves the quadratic .