Question

Me ayudan porfa si voy a reprobar y es para mañana ​

Answer 1

Explicación paso a paso:

1) (7x + 6).(-4x + 2) = - 28x^2 + 14x - 24x + 12

= - 28x^2 - 10x + 12

2) (7x - 12) .(5x + 4) = 35x^2 + 28x - 60x - 48

= 35x^2 - 32x - 48

3) 18x + 6 /6x + 2 = 3x + 3 = 3(x + 1)

4) 7x + 1 / 9x + 3 = 1/2x + 2

5) (7x + 14) - (-4x - 3) = 7x + 14 + 4x + 3 = 11x + 17

6) (-9x - 4) - (-4x - 3) = -9x - 4 + 4x + 3 = -5x - 1

7) (8x + 4) + (-6x - 9) = 8x + 4 - 6x - 9 = 2x - 5

8) (17x - 12) + ( - 12x - 4) = 17x - 12 - 12x - 4 = 5x - 16

9) (-5x - 4) .( -4x - 2) = 20x^2 + 10x + 16x + 8

= 20x^2 + 6x + 8

10) (-6x + 4) - (3x - 2) = -6x + 4 -3x + 2 = -9x + 6