2 years ago

How much greater than m2+3mn−n2 is 4m2+5mn+6n2? PLEASE HELP

Mathematics

1 answer:

tiny-mole [99]2 years ago

5 0

Answer:

3m² + 2mn + 7n²

Step-by-step explanation:

Subtract m² + 3mn - n² from 4m² + 5mn + 6n², that is

4m² + 5mn + 6n² - (m² + 3mn - n²)

= 4m² + 5mn + 6n² - m² - 3mn + n² ← collect like terms

= 3m² + 2mn + 7n²

You might be interested in

Find the next number in the sequence: 10, 37, 82, 145, 226,

lisabon 2012 [21]

Answer:

325

Step-by-step explanation:

Please vote for Brainliest and hope this helps!

4 0

1 year ago

Read 2 more answers

Calculate the perimeter of this shape.<br> 12 cm<br> 18 cm

chubhunter [2.5K]

Answer:

Step-by-step explanation:

P = 2l + 2w

= 2(12) + 2(18)

= 24 + 36 = 60

3 0

3 years ago

Abby is adopting kittens from the pet store. if there are 18 kittens, how many ways can she choose 2 kittens?

Bas_tet [7]

Answer:

I believe 9

Step-by-step explanation:

18/2=9 i think this is your answer

4 0

3 years ago

Mr.wayne repeat his tie every 12 days and mr pickett repeats his tie every 10 days.what day will they wear the same tie

4vir4ik [10]

The answer would be day number 60

4 0

3 years ago

Which expression represents the area of the figure?

lys-0071 [83]

Answer:

The solution is 8x2 + 16x + 8. The region can be divided into a triangle and a rectangle.

Area of Triangle=

(2x + 2)(2x)

Area of Triangle = 2x2 + 2x

Area of Rectangle: (2x + 2)(3x + 4)

Area of Rectangle: 6x2 + 14x + 8

Sum of Two Regions: 8x2 + 16x + 8

Step-by-step explanation:

4 0

2 years ago