Question

factorise the expression completely 0.6r-0.8qr-12.8q²r​

Answer 1

Answer:

Step-by-step explanation:

Changes made to your input should not affect the solution:

(1): "q2"   was replaced by   "q^2".  

(2): "12.8" was replaced by "(128/10)". 3 more similar replacement(s)

STEP

1

:

           64

Simplify   ——

           5  

Equation at the end of step

1

:

    6       8          64

 ((——•r)-((——•q)•r))-((——•q2)•r)

   10      10          5  

STEP

2

:

Equation at the end of step 2

    6       8         64q2

 ((——•r)-((——•q)•r))-(————•r)

   10      10          5  

STEP

3

:

           4

Simplify   —

           5

Equation at the end of step

3

:

    6      4        64rq2

 ((——•r)-((—•q)•r))-—————

   10      5          5  

STEP

4

:

           3

Simplify   —

           5

Equation at the end of step

4

:

   3         4rq     64rq2

 ((— • r) -  ———) -  —————

   5          5        5  

STEP

5

:

Adding fractions which have a common denominator :

5.1       Adding fractions which have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

3r - (4rq)     3r - 4rq

——————————  =  ————————

    5             5    

Equation at the end of step

5

:

 (3r - 4rq)    64rq2

 —————————— -  —————

     5           5  

STEP

6

:

STEP

7

:

Pulling out like terms :

7.1     Pull out like factors :

  3r - 4rq  =   -r • (4q - 3)  

Adding fractions which have a common denominator :

7.2       Adding fractions which have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible: