em3489 em3489
  • 03-04-2019
  • Mathematics
contestada

(8q+5)^2=64q^2+[]q+25
What is the missing value? []

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 03-04-2019

Answer:

  80

Step-by-step explanation:

The square of a binomial is ...

  (a +b)^2 = a^2 + 2ab + b^2

You have a=8q, b=5, so the square is ...

  (8q)^2 + 2(8q)(5) + (5)^2

  = 64q^2 +80q +25

The coefficient missing from your given expression is 80.

Answer Link

Otras preguntas

Solve for w: P=2L+2W
What is the value of three in 34,525
Any help with this problem? X/5-g=a for x
What is 30,944 rounded to the nearest ten thousands
If there are 36 performers in a dance recital. The ratio of men to women is 2:7. How many men are in the dance recital ?
Factor the trinomial: 5x^2-2x-7
What is 14 hours after 3 : 00 a.m?
A weather reporter reads aloud the number of meters of snowfall. the amount is 0.103 meter. What words should the reporter use on the air to explain the amount
Theo bought these items shoes that cost $19.99 socks that cost $ 4.19, a shirt that costs $ 8.50 and pants that cost $27.75. how can he estimate the total cost
A farmer builds a fence to enclose a rectangular pasture.He uses 160 feet of fence. Find the total area if the pasture is 50 feet long