Math, asked by somubadme, 4 months ago

simplify 3x(4x-5)+3 and find its value for (a) x=2 (b) x=3

Answers

Answered by Queen2530

Step-by-step explanation:

= (a) 3x(4x-5)+3

= 3×2(4×2-5)+3

= 6(3)+3

= 18+3

= 21

= (b) 3x(4x-5)+3

= 3×3(4×3-5)+3

= 9(7)+3

= 63+3

= 66

Answered by zinu14

Answer:

3x(4x-5)+3

12x²-15x+3

for x=2 | for x=3

12*(2)²-15*2+3 12*(3)²-15*3+3

(12*4)-(30+3) (12*9)-(45+3)

48-33 108-48

=15 =60

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simplify 3x(4x-5)+3 and find its value for (a) x=2 (b) x=3​