1.

(за2 - чь2) (8a2 - 3ъ2)​

Answer»

-STEP EXPLANATION:GIVEN EXPRESSION is (3a²-4b²)(8a²-3b²)=>3a²(8a²-3b²)-4b²(8a²-3b²)=>(3a²×8a²)-(3a²-3b²)-(4b²×8a²)+(4b²-3b²)=>24a⁴-9a²b²-32a²b²+12b⁴=>24a⁴-41a²b²+12b⁴



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