angel509 angel509

16-07-2018
Mathematics

contestada

what is the sum of x2+4x-3 and x+5x+6? A. 2x2+9x+4 B. 2x2+9x+8 c. x2+9x+4 d. x2+9x+8

Respuesta :

25-07-2018

[tex](x^2+4x-3)+(x^2+5x+6)=(x^2+x^2)+(4x+5x)+(-3+6)\\\\=\boxed{2x^2+9x+3}[/tex]

Answer Link

Otras preguntas

Allowing a child to "skip" a homework assignment if she completes 5 word problems during class represents both __________ reinforcement and a __________ schedul

Is 1/2 greater or less than 2/3

PLEASE HELP ME ASAP PLEASE!!!!!! From the top of a vertical cliff 50 m high, the angle of depression of an object that is level with the base of the cliff is 70

Let s(t) denote the position of a particle at time t, and let v and a be the velocity and acceleration respectively. The particle is moving according to the dat

Jenny lives in a society in which there is a strong norm against mixing business with pleasure. Work and leisure activities are physically separate, occurring a

Simply the expression 2(6+3n)-4

You estimate that you take 7500 steps in a day. You actually took 12 ,500 steps. what is the percent change from what you estimate vs. what you actually walked?

Many couples believe that it is getting too expensive to host an "average" wedding in the United States. According to the website www.costofwedding, the average

On a warm spring day, you are waiting at a red traffic light listening to your favorite radio station with the windows down. The driver in a car passing you in

2/5 divided by 3 equal dwveegvevevee