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3 June, 19:30

The value of b is 7, then what is the value of the expression - 3b^2+25=

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  1. 3 June, 19:32
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    The answer is - 122

    Exponents first and if b is 7 it would be 7 X 7 which equals 49 and then you multiply 49 with - 3 which would be - 147. Then you add 25 to - 147 which is - 122
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