ScottFarcus ScottFarcus

10-02-2021
Mathematics

contestada

If C = x + 6 and D = 3x - 6 + 4x2, find an expression that equals C + 3D in
standard form.
Help please

Respuesta :

clarch19 clarch19

10-02-2021

Answer:

12x²+10x-12

Step-by-step explanation:

x+6 + 3(3x-6+4x²)

x+6 +9x-18+12x²

12x²+10x-12

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