3 years ago

What is the difference of the two polynomials?

Mathematics

2 answers:

guapka [62]3 years ago

7 0

Simplify

9x^2 + 8x - (2x^2 + 3x)

Simplify brackets

9x^2 + 8x - 2x^2 - 3x

Collect like terms

(9x^2 - 2x^2) + (8x - 3x)

Simplify

7x^2 + 5x

Answer: A. 7x2 + 5x

Ganezh [65]3 years ago

5 0

Answer:

a) 7x^2 + 5x

Step-by-step explanation:

(9x^2 + 8x) – (2x^2 + 3x)

Distribute the minus sign

(9x^2 + 8x) – 2x^2 - 3x

Line them up vertically

(9x^2 + 8x)

– 2x^2 - 3x

-------------------

7x^2 +5x

You might be interested in

Select the choice that translates the following verbal phrase correctly to algebra:

likoan [24]

The answer is one halfn − 16

Let the number be n.

One half of a number is (1/2n)
decreased by 16 is (-16)

one half of a number decreased by 16 is
1/2n - 16

Or one halfn − 16

4 0

3 years ago

The two legs of right triangle measures 6 and 8 inches respectively. What is the area of the circle that contains all 3 vertical

andrezito [222]

Answer:

See image.

Step-by-step explanation:

Remember if you have a right angle inside of a circle, the hypotenuse is going to land exactly on the diameter. Also, Area of a circle = (pi)r^2 Lastly, remember pythagorean triples such as 3,4,5 or at least, the Pythagorean theorem a^2 + b^2 = c^2