Seudónimo Seudónimo

30-08-2017
Mathematics

contestada

Please help me for 20 points

Evaluate 2b2 – 3b + 4a2 for a = –6 and b = 8.

248

202

346

–40

Respuesta :

Banabanana Banabanana

30-08-2017

2b² - 3b + 4a²
= 2(8)² - 3(8) + 4(-6)²
= 2(64) - 24 + 4(36)
= 128 - 24 + 144
= 248

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