hey5838 hey5838

20-02-2020
Mathematics

contestada

please answer the question on the attachment 10 points

please answer the question on the attachment 10 points class=

Respuesta :

amna04352 amna04352

20-02-2020

Answer:

a = 2, b = 135

Step-by-step explanation:

3x²-12x-23 = 100

3x² -12x = 100+23

3[x² - 4x] = 123

3[x²-2(x)(2)+2²-2²] = 123

3[(x-2)²-4] = 123

3(x-2)²-12 = 123

3(x-2)² = 123+12

3(x-2)² = 135

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