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4 votes
(8z − 9)(8z + 9) = az2 − b what is the value of a?

2 Answers

5 votes

The people that are answering this arn't doing it affectivly because there not realizing, B=2. Add that to there equation and simplify it.

User Bassam Gamal
by
8.2k points
3 votes
solve for a.

(8z−9)(8z+9)=az2−b

Flip the equation.

az2−b=64z2−81

Add b to both sides.

az2−b+b=64z2−81+b

az2=64z2+b−81

Divide both sides by z^2.


\bold{ (az^2)/(z^2) = (64z^2 + b - 81)/(z^2)} \\ \\ a = \pmb{ \boxed{\boxed{\boxed{(64z^2 + b - 81)/(z^2) }}}}


User Pytth
by
8.2k points

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