amyfc7
amyfc7
16-06-2019
Mathematics
contestada
factorise 49 a^2 + 4b^2 +9c^2 -28ab + 12bc- 42 ac
Respuesta :
NeilIceland
NeilIceland
16-06-2019
49a^2 + 4b^2 + 9c^2 -28ab + 12bc- 42ac
= (7a)^2 + (-2b)^2 + (-3c)^2 + (2*7a*-2b) + (2*-2b*-3c) + (2*-3c*7a)
=(7a - 2b - 3c)^2 (Answer)
Answer Link
VER TODAS LAS RESPUESTAS ( 78+ )
Otras preguntas
Your teacher pulls you aside after class and tells you that during the year, you spent 65 minutes total out of class going to the restroom. You know that every
Which duty must US citizens perform in order to preserve the right to a trial by jury ?
There are 321 crayons in a box and 204 crayons on the floor. About how many fewer than 1,000 crayons are there? Estimate. Then solve. The estimated number of cr
ZRDY and NDA are: Check all that apply. R N A
How much principal would you have to deposit to ear $700.00 simple interest in 1.5 years at a rate of 2%?
Which of the following is found in RNA but not DNA? Group of answer choices thymine uracil guanine adenine
Question 6 Which of the following is NOT an AWS Cloud Infrastructure Service? Analytics Networking Database Compute
Eight subtracted from the product of 5 and a number is 57
PLZ HELP Yarin’s gross pay for the year was $3,500. The federal income tax withholding from his pay was 9% of his gross pay. Yarin determined the federal income
A 44.8 g rhodium sample contains how many rhodium atoms
