Clover999 Clover999

20-06-2016
Mathematics

contestada

Factorise: 2x² -7x -4

Respuesta :

20-06-2016

The terms in x must be 2x and x. The factors of -4 are either -4 and 1, -1 and 4, -2 and 2 or 2 and -2. Trying each of the combinations we get (2x + 1)(x - 4) as the solution.

Answer Link

21-06-2016

2x-7x-4x=0.875 the answer is 0.875 cause of the fact that seven and two are the ones with the varible

Answer Link

ACCESS MORE ACCESS MORE ACCESS MORE ACCESS MORE

Otras preguntas

why do we need cardinal directions

What is an "apt comparison"?

Sally has twice as many dimes as nickels. The total value is $3.50 how many nickels and dimes does she have?

what is the difference between "x times x" and "x plus x"?

Describe the importance of respecting the skills and expertise of other practitioners.

On a scale drawing with a scale of 1 cm = 0.9 m, the height of a tree is 1.2 cm. How tall is the actual tree in meters?

how do you describe the rule that governs a pattern or table ?

An oscillator makes 360 vibrations in 3 minutes. a. How many vibrations does it make in one minute? b. How many vibrations does it make in one second? c. What i

The doubling time of a city's population is 13 years. How long does it take for the population to quadruple.

Imagine Two Artificial Satellites Orbiting Earth At The Same Distance. One Satellite Has A Greater Mass Than The Other One? Which Of The Following Would Be True