Question

( ? - 3b )( ? + ? ) =$25y^{2}$

Completati cu numere in locul semnului intrebarii va rog urgent

( 0,6a + ? )( ? - ? ) = $0,36a^{2}$ - $2b^{2}$

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Answer 1

0,36a^2-2b^2=(0,6a+b√2)(0,6a-b√2)