neekkeneekke16 neekkeneekke16

15-05-2017
Mathematics

contestada

Look at the quadratic equation below. -x2 + 3 = (2x - 1)2 What is this quadratic equation written in standard form?

Respuesta :

apologiabiology apologiabiology

15-05-2017

we need to expand it
standard is 0=ax^2+bx+c

so
expand left side
(2x-1)²=(2x-1)(2x-1)=4x²-4x+1
now we gots
-x²+3=4x²-4x+1
add x^2 to both sides and minus 3
0=5x²-4x-2

Answer Link

Otras preguntas

Using the map below please identify the region where the native Americans that showed off their wealth and owned enslaved people were located.

△LMN with vertices L(4, 8), M(4, 3), and N(8, 8) is rotated 270° clockwise about the origin. What are the coordinates of L′?

Point A is located at (4,-2). Where will point A' be located after a dilation with a scale factor of -2?

1. All the living things on a planet? O Atmosphere O Biosphere O Geosphere O Hydrosphere

i need help now help with the Sciences work

Which of the following statements is not true in reference to dieting? A. Very strict diets are the most successful B. You should include healthy foods that are

3) Harper desires to invest in a single mutual fund or ETF. She wants the fund to invest 50%-70% in stocks and the rest in bonds. Which fund or ETF would you re

A certain substance in the form of spherical particles is found to adsorb 2.45×10^4mole of sodium oleate per gram at 50°C. The particles have a density of 0.930

although taco bell, chipotle, and on the border all strive to provide good mexican food and service to their respective target markets, the difference in their

Match each repeating decimal to its equivalent.