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 ( 18+ )
Otras preguntas
The removal of an embedded gas from a solid object, as happens when formaldehyde in new carpets and furniture is released into the air, is a process known as
Which verb correctly completes this sentence? Un athlète ________ beaucoup pour améliorer ses compétences et sa condition physique. A) s’entraîne B) s’entraîn
which of the following is not one of the five regions in louisiana? A. Sportmant's paradise B.The Crossroads C.Great New Orleans D.Creole county
Which of the three branches of government interpret the Constitution? i. Executive ii. Legislative iii. Judicial A. i only B. ii only C. ii and iii only D.
helpppp... I suck at algebra. the question is down below 7x(-3)x(-2)^2
Gary exercises 1.75 hours on Mondays, Wednesdays, and Saturdays. How many weeks will it take Gary to exercise a total of 21 hours?
PLEASE HELP Simplify the expression. 4 squareroot of 6 + 5 squareroot of 6
What do teenagers use today to express themselves ( before hip hop was hip hop?
what place in the alphabet is the letter c?
SPANISH 3 PLS HELP!!(02.03 MC) Escoge la preposición correcta de por o para, para completar la frase. Select the correct preposition, por or para, in order to
