Question

simplifique as expressões
b-) (x+3) (x+4)-2 (x+1)
c-) 3x (x-1)+(x+2)(x+5)

Answer 1

B)x² + 4x + 3x + 12 - 2x -2
    x² + 5x + 10
C) 3x² - 3x + x² + 5x + 2x + 10
    4x² + 4x  + 10