Math, asked by keerthikabaskaran827, 4 months ago

Q4: (a) Simplify 3x (4x - 5) + 3 and find its values for (l) x= 3, (I)
x=1 . x 1/2​

Answers

Answered by padmanabhajuad
0

Answer:

Step-by-step explanation:

(a) x = 3

⇒ 3x(4x - 5) + 3

⇒ 3 × 3(4 × 3 - 5) + 3   [put the value of x = 3]

⇒ 9(12-5 )+ 3

⇒ 9 × 7 + 3

⇒ 63 + 3

⇒ 66

Now,

(b)  x =  

⇒ 3x(4x - 5) + 3

⇒ 3 × (4 ×  - 5) + 3  [pu the value of x = ]

⇒  (2 - 5) + 3

⇒ (-3) + 3

⇒  + 3

⇒  

Answered by Bhartiswaran
0

Step-by-step explanation:

i)3x (4x - 5) + 3

if x=3

3×3 (4×3 - 5) + 3=66

ii) 3x (4x - 5) + 3

if x=1

3×1 (4×1 - 5) + 3=0

iii)3x (4x - 5) + 3

if x=1/2

3×1/2 (4×1/2 - 5) + 3=-1.5

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