Clover999
Clover999 Clover999
  • 20-06-2016
  • Mathematics
contestada

Factorise: 2x² -7x -4

Respuesta :

toporc
toporc toporc
  • 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
denn
denn denn
  • 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

Otras preguntas

What will be the rule for a negative fraction? Maybe like -m/n instead of just m/n?
Discuss the principle of quality assurance in extemporaneous preparetion​
Determine and from the given parameters of the population and sample size. m 73, o=24, n=36
the line passes through (6,6) and (-2,2)
Simplify your answer and write it as a proper fraction, mixed number, or integer
What percentage is two quarts to two gallons?
describe how processes in the water cycle are related to weather
The internal radius of a cylindrical bucket of height 50 cm is 21 cm. It is filled with water completely. If the water is poured into a rectangular vessel with
gi- rls co- me fa- st pass: me- et .goo-gle. c- om/ fqg-pqdd-wbq​
8) The midpoint of A and B is at (3.5, 2.5). The coordinates of A are (2, 5). Work out the coordinates of B.