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 ( 41+ )
Otras preguntas
How does John DiConsiglio organize the text in "Disease Central," the supplemental text in When Birds Get Flu, to present the central idea?
Ferdy uses a guy wire to support a young tree. He attaches it to a point 0.6 m up the tree trunk. The wire is 10m long. How far away from the trunk will the wir
Which scenario listed below does NOT demonstrate the relationship between the pressure and temperature in a gas? A) Squeezing a balloon and watching it pop ou
Is tis sentence simple or compound /I went to the beach, but it was too cold
Wyatt's room is a rectangle with a perimeter of 40 feet. The wiidth of the room is 8 feet. What is the length of the room?
imagine an alien comes to earth,explain to the alien how supply and demand work
What is the value of y in the equation 2 + y = −3?
Use the parabola tool to graph the quadratic function f(x)=x2−12x+27. Graph the parabola by first plotting its vertex and then plotting a second point on the
The pyramid shown has a square base that is 18 inches on each side. The slant height is 16 inches. What is the surface area of the pyramid? A. 468 square inches
Upton Sinclair's book The Jungle exposed the unsanitary conditions in the Chicago slaughterhouses of the early 1900s. The public outrage caused by this sort of
