brileypope35 brileypope35

22-09-2020
Mathematics

contestada

PLEASE HELP ME!!!!!!!Which expression is equivalent to 6x2−(4x+10)−3+(4x2−5x)?

10x2−9x+7

10x2−9x−13

2x2−x+7

2x2−x−13

Respuesta :

Us48717 Us48717

22-09-2020

Answer:

10(-4x+10)-3 +(8-5x)

-40x+100-3+8-5x

-40x-5x+105

-45x+105

-45x+105=0

-45x=-105

x=-105/-45

x=7/3

Step-by-step explanation:

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