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 ( 16+ )
Otras preguntas
If God made the universe, then who made him
what is the answer to this?
Suppose the economy is in long-run equilibrium at the level of potential output. What will be the long-run effect of an expansionary monetary policy?
(ANSWER QUICK) Which of the following is an accurate statement about charitable giving (philanthropy) in the United States?
what measurement would you use to find out the width of a postage stamp?
The sum of seven interior angle measurements in an octagon equal 835º. What is the angle measurement of the 8th angle? (Hint: An octagon has 8 sides.) A.110
Use the x-intercept method to find all real solutions of the equation. x^3-6x2+3x+10=0
Nutrients form digested food move from the digestive system directly into the
HELP CHECK MY ANSWERS, TY! The graph shows the vertical position of a ball attached to a spring oscillating between a low point and a high point as a function o
How much energy is equal to 1 kg of mass?
