neethumenon33 neethumenon33

28-10-2020
Mathematics

contestada

simplify 3x(4x-5)+3 and its value for X = 3

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saraharif006 saraharif006

28-10-2020

Answer:

Step-by-step explanation:

3x ( 4x - 5 ) + 3

12x^2 - 15x + 3

12 × 3^2 - 15 × 3 + 3

12 × 9 - 45 + 3

= 108 - 45 + 3

= 66

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