Wykonaj mnożenie i redukcję wyrazów podobnych.
(a+5)(3a+8)+(7+3a)(9-4a)=
(3a-7b)(2b-a)-(4a-6b)(8a+8b)=
-(y-0,5)(2ykwadrat-8)-(6+9ykwadrat)(4y-5)=
plox ; )
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(a+5)(3a+8)+(7+3a)(9-4a)=3a²+8a+15a+40+63-28a+27a-12a²=-9a²+22a+103
(3a-7b)(2b-a)-(4a-6b)(8a+8b)=6ab-6a²-14b²+7ab-32a²-32ab-48ab-48b²=-67ab-38a²-62b²
-(y-0,5)(2y²-8)-(6+9y²)(4y-5)=-2y³+8y-1y²+4-24y+30+36y³-45y²=34y³-16y-46y²+34
Liczę na naj.