27-07-2017
Mathematics

contestada

24x2+25x−47=(−8x−3)(ax−2)−53

Respuesta :

ghanami ghanami

27-07-2017

hello :
the question is : find : a
24x²+25x−47=(−8x−3)(ax−2)−53
= -8ax²+16x-3ax +6-53
= -8ax²+16x-3ax - 47

24x²+25x−47= -8ax² + (16-3a)x -47
so : -8a = 24
16-3a =25
a = 24/-8 = -3
16-3(-3) =25...right
conclusion : a = = -3

Answer Link

Otras preguntas

Which line on the graph below has an undefined slope? On a coordinate plane, line Q is horizontal, line P has a positive slope, line R is vertical, and line S h

The Haber process is used to synthesize ammonia (NH₂) on a large scale by the reaction of nitrogen gas with hydrogen gas as follows: N2 (a) + 3 H2 (al 2 NH3 (al

yo i need pls its math so pls

somebody pls help im failing i really need help i give brainlest

A train is traveling at 50.0 miles per hour. 1 mile is equal to 1.61 kilometers. How fast is the train moving in meters per second? m/s

Which of the following organisms would NOT be in the first trophic level of an energy pyramid?

[SQA Advanced Higher 2019 Q17c(i) Edited] The first three terms of a sequence are given by 5x+8, 2x + 1, x - 4 - The sequence is geometric for x = 11. There is

SOMEONE TELL ME IF IM CORRECT AND TELL ME HOW MUCH TO COLOR IN!!!!

What is an equation of the line that is perpendicular to the line y = -2/3 x-1 and passed through the point (-4,2)?

In the city-state of Athens, every citizen could vote on laws and policies in mass meetings held to decide government matters. This form of government is called