Question

9
I
simplify 3x (4x-5)+3 and find its values for (i) x = 3 (i).x=1/2
(i)==
dit value for GL_​

Answer 1

Answer:

3

Step-by-step explanation:

3[4-5]+3. 12-15+3. -3+3. =3+3=6

Answer 2

:

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-- :

3x(4x−5)+3=12x^2−15x+3

x=3 gives the value 12(9)−15×3+3

                             =108−45+3

                              =66

x=1/2 gives the value 12(1/4)−15×(1/2)+3

                             =3−7.5+3

                              = - 3/2