asaadfatma
asaadfatma
04-02-2017
Mathematics
contestada
4x²-17x-42 by factor
Respuesta :
surjithayer
surjithayer
10-02-2017
4x²-17x-42
=4(x²-17/4x)-42
=4[x²-17/4 x+(-17/8)²-(-17/8)²]-42
=4(x-17/8)²-289/64-42
=4(x-17/8)²-(289+2688)/64
=4(x-17/8)²-2974/64
=[(2x-34/8)²-(√2974/8)²]
=(2x-34/8 +(√2974/8))(2x-34/8-(√2974/8)
=[2x+(√2974-34)/8][2x-(√2974+34)/8]
Answer Link
VER TODAS LAS RESPUESTAS ( 26+ )
Otras preguntas
how many feet does 5 yards equal
Which concerns of the Anti-Federalists were satisfactorily resolved in the Constitution?
The IMF and World Bank have been criticized as undemocratic. Why?
Sue scored a total of 35 points in two games she scored 6 times as many points in the second game as in the first how many more points did she score in the seco
What important decisions had to be made concerning the fate of the seceded states and the rights of those freed from slavery?
Why did Japan enter World War I? A. China declared war on Japan, who had a military alliance with the Allied powers. B. Japan entered the war in hopes of winni
Another word for acadians
Given that cos (x) = 1/3, find sin (90 - x)
9. What is the setting of "The Little Match Girl"? A. A wintry city street B. A place in the matchseller's imagination C. The matchseller's attic home D. The ma
Which postulate of relativity was supported by the experiments of Michelson and Morley? a. principle of relativity b. constancy of the speed of light c. princip
