What is the sum of the given polynomials in standard form?

Mathematics

1 answer:

stepladder [879]3 years ago

7 0

Answer:

-x^2 + 2x - 3.

Step-by-step explanation:

(x² – 3x) + (-2x² + 5x – 3)

= x² – 3x - 2x² + 5x – 3

= -x^2 + 2x - 3.

You might be interested in

How do you simply 2x+8=-6

photoshop1234 [79]

To simplify <span>2x + 8 = -6, the easiest way is to manipulate the equation one step at a time:

</span>2x + 8 = <span>-6
</span>2x = <span>-14 (subtract 8 from both sides)
</span>x = -7 (divide both sides by 2)

3 0

3 years ago

Kristin bought 8 books for a total of $238.60. Math books cost $29.60 and

PilotLPTM [1.2K]

Answer: 2 Math books and 6 English books

5 0

3 years ago

Louis built a swimming pool. The depth of the swimming pool is 5 feet. What is the volume of water that it will take to fill the

julia-pushkina [17]

Answer:

For a rectangular prism-like swimming pool: $V = w\cdot l \cdot h$ . $V = 360\,ft^{3}$ when $h = 5\,ft$ , $l = 12\,ft$ and $w = 6\,ft$ .

Step-by-step explanation:

Let assume that swimming pool has a rectangular base and depth is the same at any point at the bottom. In addition, let $w$ and $l$ be the width and length of the swimming pool. Then, the volume needed to fill the swimming pool is: