Question

(2x+3)*2-x*2+4
a(5a-1)1(a+2)*2
(2x-4)×(3x+1)
(x+1)×(x*2+x+1)
me ajudem pfvr!!!!​

Answer 1

Resposta:

1) 2x + 10

2) 5a² + a + 4

3) 6x² - 10x - 4

4) 3x² + 4x + 1

Explicação passo-a-passo:

1) 4x + 6 - 2x + 4

2x + 10

2) 5a² - a + 2a + 4

5a² + a + 4

3) 6x² + 2x - 12x - 4

6x² - 10x - 4

4) (x+1)(3x+1)

3x² + x + 3x + 1

3x² + 4x + 1