Question

Selesaikan operasi perkalian aljabar berikut!
a. (x-3)(x-2x+1)
b.(m+1)(m2(pangkat 2) + 2m - 1)

Answer 1

A. ( x - 3)( x - 2x + 1)
   = ( x - 3)( -x + 1)
   = -x^2 + x + 3x - 3
   = -x^2 + 4x -3
b. ( m +1)( m^2 + 2m - 1)
  = m^3 + 2m^2 - m + m^2 + 2m - 1
  = m^3 + 3m^2 + m - 1