3 years ago

For what value of b in the equation (2z + b)(z − 3) = 0 will a solution for z be −4?

Mathematics

1 answer:

bazaltina [42]3 years ago

7 0

( - 8 + b )( - 4 - 3 ) = 0;
( - 8 + b )( - 7 ) = 0 ;
-8 + b = 0;
b = 8.

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