liyah1840 liyah1840
  • 27-02-2019
  • Mathematics
contestada

Solve for x 4x-4<8 and 9x+5>23

Respuesta :

trow1shade
trow1shade trow1shade
  • 28-02-2019

Simplify: (4x2 - 2x) - (-5x2 - 8x).

Solution:

(4x2 - 2x) - (-5x2 - 8x)

= 4x2 - 2x + 5x2 + 8x.

= 4x2 + 5x2 - 2x + 8x.

= 9x2 + 6x.

= 3x(3x + 2).

Answer: 3x(3x + 2)

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