heerinfgsd
heerinfgsd
09-02-2017
Mathematics
contestada
Factorise: a^2 + 8a - 20
Respuesta :
toriking098
toriking098
09-02-2017
that would be
(a-2)(a+10)
Answer Link
yacine78941
yacine78941
09-02-2017
a² + 8a - 20 = a² + 2*4*a - 20 = a² + 8a + 16 -16 - 20 = (a + 4)² - 36 = (a + 4)² - 6² = (a + 4 - 6)(a + 4 + 6) = (a - 2)(a + 10)
Answer Link
VER TODAS LAS RESPUESTAS ( 91+ )
Otras preguntas
Which of these BEST describes the attitudes of the citizens of Georgia on the eve of the Revolutionary War?
What are the solutions to the following system of equations? y=x^2+12x+30 and 8x-y=10
How many buffets are in the united states?
What is 24 divided by 1272
Demography is an important tool for many scientists and planners. Demographic studies do not give statistics for _____.
What is the value of p? 0.6441−(−0.29)=p
PLEASE HELP!!!!!!!!!! Whats the value of a? a-2=3+6a/3 a=
How did they try to get Ralph out of the thicket in lord of the flies
Write the equation in proper standard form, 9x-2/3y=-4
In 2-3 sentences, explain why you need to define unfamiliar terms in a procedural text. Why is that an important step? What happens if you don't define those te
