ktoth28
ktoth28
24-11-2019
Mathematics
contestada
0 = x2 + 6x + 9 factor by grouping explain
Respuesta :
Milliecartier
Milliecartier
24-11-2019
To factorise by grouping would require grouping the terms into the form x^2 +2a+ a^2= (x-a)^2. In which case, the a term would be 3, as 2a=6, a=3. Hence the factorised form would be (x-3)^2=0 which means that x-3=0 and hence x=3.
Answer Link
VER TODAS LAS RESPUESTAS ( 48+ )
Otras preguntas
Weather can change from day to day, but _____ does not
What did both Newton and Einstein believe directly affects gravity?
Suppose this photo were used by a political campaign to promote the person shown as a candidate for office. What would such a photograph suggest about a candid
Read this line from Shakespeare's Sonnet 130. "My mistress' eyes are nothing like the sun." What sound devices are employed here? A. assonance and alliterati
In Triangle RST, Angle R = 63 degrees, angle T=90 degrees, Side RS =23, side st = 10.4. Which ratios are correct. csc63=23/rt, sec 63=23/10.4, and cot 27=10.4/R
What volume of h2(g) at 27oc and 680 torr is produced by the reaction of 15.0 g al metal with excess hcl(aq) to produce alcl3 and h2 (hint: you may want to writ
How many neutrons does element X have if its atomic number is 24 and its mass number is 99?
What was the first artificial satellite?
Find the measures of each angle. Supplementary angles with measures (2x+3) and (3x+2). A. 64 and 116. B. 53 and 127. C. 63 and 117. D. 73 and 107
The majority of the population in the United States speak __________. a. French b. Spanish c. English d. native languages
