3 years ago

Combine like terms for (3x²+2x²-5x+7)+(4x²+2x-3)

Mathematics

2 answers:

Snowcat [4.5K]3 years ago

8 0

Answer:

26x + 4

Step-by-step explanation:

((3x3)x + (2x2)x - 5x + 7) + ((4x4)x + 2x - 3

9x + 4x - 5x + 7 + 18x - 3

13x + 18x - 5x + 7 - 3

31x - 5x + 4

26x + 4

horsena [70]3 years ago

5 0

Answer:

9x^2-3x+4

Step-by-step explanation:

(3x^2+2x^2-5x+7)+(4x^2+2x-3)

5x^2-5x+7+4x^2+2x-3

5x^2+4x^2-5x+2x+7-3

9x^2-3x+7-3

9x^2-3x+4

You might be interested in

Can anyone help me with this please ?

zlopas [31]

$\displaystyle \bf\\
 \frac{x}{20} = \frac{14}{25} \\ \\ \\ 
x = \frac{14 \cdot 20}{25} = \frac{280}{25} = 11,2 \sim \boxed{10} ~~\text{(rounded to the nearest tenth)}$

7 0

3 years ago

The Sanchez family uses 2 3/4 tubes of tooth paste each month. How many tubes of toothpaste does the Sanchez family use each yea

Licemer1 [7]

2.75 * 12 = 33.

If the Sanchez family is using 2 3/4 (or 2.75) tubes of toothpaste and there are 12 months in a year, we use the equation above and get 33 as our answer.

8 0

3 years ago

Read 2 more answers

Help???<br> Its a two step inequality problem. I dunno what X equals too.

Verizon [17]

Answer:

$x \geq -1$