RocNation
RocNation
01-11-2014
Mathematics
contestada
Select the product of (7x - 2)(7x + 7).
Respuesta :
Аноним
Аноним
01-11-2014
(7x-2)(7x+7)
=(7x)²+49x-14x-14
=7²x²+35x-14
=49x²+35x-14
Answer Link
eah
eah
01-11-2014
(7x - 2)(7x + 7)
= 7x * 7x + 7x * 7 - 2 * 7x - 2 * 7
= 49x² + 49x - 14x - 14
= 49x² + 35x - 14
Answer Link
VER TODAS LAS RESPUESTAS ( 55+ )
Otras preguntas
Which element is classified as a noble gas at STP?(1) hydrogen (3) neon(2) oxygen (4) nitrogen
Given the reaction:HCl(aq) + LiOH(aq) → HOH(ℓ) + LiCl(aq)The reaction is best described as(1) neutralization(2) synthesis(3) decomposition(4) oxidation-reductio
Which compound contains ionic bonds?(1) NO (3) CaO(2) NO2 (4) CO2
Sam wants to enlarge a triangle with sides 3, 6 and 6 inches. If the shortest side of the new triangle is 13 inches, how long will the other sides be?
The multiple covalent bond in a molecule of 1-butene is a (1) double covalent bond that has 6 shared electrons (2) double covalent bond that has 4 shared electr
Which revision best corrects the errors in the given sentence? Birds outside at the feeder such as cardinals, finches, and chickadees keep the cat entertained
An atom of an element forms a 2+ ion. In which group on the Periodic Table could this element be located? (1) 1 (3) 13 (2) 2 (4) 17
How does the Constitution limit presidential power?
What is the solution for the gravitational pull on earth?
The solubility of KCl(s) in water depends on the (1) pressure on the solution (2) rate of stirring (3) size of the KCl sample (4) temperature of the water
