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

Otras preguntas

suppose that your boss must choose for employees in your office to attend a conference in Jamaica. Because all 14 of you want to go . he decides that the only

ZABC is a right angle.А2197032°Bс

In 1960, the world record for the men's mile was 3.91 minutes. In 1980, the record time was 3.81 minutes. a, write the linear model that represents the world re

Find the 10th term of the geometric sequence whose common ratio is 3/2 and whose first term is 3.

find two expressions that are equivalent by the distributive property 42g+2142g+3. 7(6g+3) 7g+7select all that apply42g+217(6g+3)7g+742g+3

Two times Megan's age is the same as four times Daniel's age. Daniel is five years old. How old is Megan? Write an equation and solve.

which description is correct for the polynomial[tex]4x {}^{2} + 3x - 2[/tex]a cubic trinomial b quartic trinomial c cubic trinomial d quadratic trinomial

After a dilation with center (0,0), the image of DB is D'B'. IDB = 4.5 and D'B' = 18, the scale factor of this dilation is (1) (3) (2) 5 (4) 4

By which Theorem or postulate is Change ABC congruent Change BAD?

Which polynomial function is graphed below?-10A. (x) = (x – 3yº (x + 2)B. f(x) = (x - 2y(x +3)C. (*) - (x - 2)(x+3)D. *(x) = (x-3)(x + 2y4