Question

me ajudem urgente

Simplifique as expressões.

a) (x + 4x - 3) + 2
b) (x + 3)(x + 4) - 2(x + 1)
c) 3x(x - 1) + (x + 2)(x + 5)​

Answer 1

Resposta:

Explicação passo-a-passo:

a) (x+4x-3)+2

5x-3+2

5x-1

b) (x+3) (x+4) -2(x+1)

x²+4x+3x+12-2x-2

x²+5x+10

c)3x(x-1)+(x+2) (x+5)

3x²-3x +x²+5x+2x+10

4x²+4x+10