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 ( 49+ )
Otras preguntas
what kind of reactions are redox reactions a. reactions involving substituting different isotopes b. reactions involving losing and gaining electrons c. reac
What is the coefficient for the term whose variable is y2 in the expression 3xy2 + 2y − 4y2?a. −4b. 2c. 3d. 4y2 means y to the second power
What are some signs that a chemical change takes place when a firework explodes? Matter is destroyed Light is produced Heat is produced The chemical
a cd usally sells for 17.00 if the CD is 30% off and the sales tax is 8% what is the total price of the CD including tax
Final questions I'm asking if you've been keeping up. Thanks in advance.
Please solve this question. It is the sign with the line under it but I don't know how to do the symbol on a computer. 5 _<_ 8x - 10
Which of the following impacts on the environment would result from deforestation?A. Increased erosionB. Colder TemperaturesC. Decreased Carbon dioxide D. Grea
Anna baked 3 batches of cookies with c cookies in each batch. She then ate 8 cookies!
The sun’s pole reversals are tied to its
Write the equation in slope-intercept form, of the line described. Has the same slope as the equation y=x+3 and y-intercept (0,-1)
