a) (x+2+y)(z+1)=xz+2z+yz+x+2+y
b) (a+b)(7-b+4c)=7a-ab+4c+7b-+4bc
c) (p-2s+5t)(5p-3)=-3p-10sp+6s+25pt-15t
Mam nadzieję że dobrze, liczę na naj:)
a) (x+2+y)(z+1) = xz + x + 2z +2 +yz + y
b)(a+b)(7- b +4c) = 7a -ab + 4ac + 7b -b^2 + 4bc
c)(p-2s + 5t)(5p-3) = 5p^2-3p-10ps+6s +25tp-15t
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a) (x+2+y)(z+1)=xz+2z+yz+x+2+y
b) (a+b)(7-b+4c)=7a-ab+4c+7b-+4bc
c) (p-2s+5t)(5p-3)=-3p-10sp+6s+25pt-15t
Mam nadzieję że dobrze, liczę na naj:)
a) (x+2+y)(z+1) = xz + x + 2z +2 +yz + y
b)(a+b)(7- b +4c) = 7a -ab + 4ac + 7b -b^2 + 4bc
c)(p-2s + 5t)(5p-3) = 5p^2-3p-10ps+6s +25tp-15t