dad2582
dad2582
02-12-2016
Mathematics
contestada
(3a2 + 2a - 2) - (a2 - 3a + 7)
Respuesta :
apologiabiology
apologiabiology
02-12-2016
remember to distribute invibile -1
simlify 2nd part
-(a^2-3a+7)=-1(a^2-3a+7)=-a^2+3a-7
now we have
3a^2+2a-2-a^2+3a-7=
3a^2-a^2+2a+3a-2-7=
2a^2+5a-9
Answer Link
VER TODAS LAS RESPUESTAS ( 61+ )
Otras preguntas
how do our law enforcement personnel serve, protect, and keep our communities safe this holiday season?
Which quotation shows a change in the direction of the story? "The operator rang his office; no answer. 'Sorry, but it looks like you're out of luck, Miss White
The bottom of liz's favorite teacup has a radius of 4 centimeters. what is the circumference of the bottom of the teacup?
identify the graph and the solution of the given system. 2x+3y=0. -3y=6-2x
Suppose a group of 800 smokers (who all wanted to give up smoking) were randomly assigned to receive an antidepressant drug or a placebo for six weeks. Given th
Which was a response of the British government after the event described above?A Parliament passed strict legislation to further punish the colonists. B Parliam
A cube measures 3.0cm on each side and has a mass of 25 g .what is the density of the cube ?
√5 is an irrational number. which of these will also be an irrational number? A. (√5)^2 B. (√5)^-2 C. √5 + √5 D. (5+ √5)(5-√5)
I am a grade 9 student currently studying biology, chemistry and more as my electives. \ desire to be a doctor and is amazed by the human body and structures of
From a circular card sheet of radius 14cm, two circles of radius 3.5 cm and a rectangle of length 3cm and breadth 1cm are removed. Find area of remaining sheet
