Math, asked by thivyashri256, 9 months ago

Subtract b (b2 +b -7) + 5 from 3b2 – 8 and find the value of expression obtained for b = -3.

Answers

Answered by rudramaster

2

Step-by-step explanation:

3b2-8 - b(b2+b-7)+5

3*-3*2-8 - -3(-3*2+-3-7)+5

-26 - -3(-16)+5

-26 - 48+5

-26 - 43

-69

Answered by psbn60073

0

Answer:

Step-by-step explanation:

Step-by-step explanation:

3b2-8 - b(b2+b-7)+5

3*-3*2-8 - -3(-3*2+-3-7)+5

-26 - -3(-16)+5

-26 - 48+5

-26 - 43

-69

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