2 Answers

Divy Soni · Answer 1 · 2016-01-16T00:28:24+0000

solve for a.

(8z−9)(8z+9)=az2−b

Flip the equation.

az^2−b = 64z2−81

Add b to both sides.

az2−b+b=64z2−81+b

az2=64z2+b−81

Divide both sides by z^2.

az^2/z^2 = 64z2+b−81 / z^2

a=64z^2+b−81 / z^2

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