हल करना 7 ) 4b ^ 2 + 8b + 7 = 4 | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$4 b ^ { 2 } + 8 b + 7 = 4$$