(4-i 5)(6+2i7)+(7+2i11)(4-3i)=

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(4-i5)(6+2i7)+(7+2i11)(4-3i)=(4-i5)(6+2i7)+(7+2i11)(4-3i)=(4-i5)(6+2i7)+(7+2i11)(4-3i)=(4+i^5)(6+2i^

(4-i 5)(6+2i7)+(7+2i11)(4-3i)=
(4-i 5)(6+2i7)+(7+2i11)(4-3i)=

(4-i 5)(6+2i7)+(7+2i11)(4-3i)=
(4+i^5)(6+2i^7)+(7+2i^11)(4-3I)
=(4+i)(6-2i)+(7-2i)(4-3i)
=24+2-2i+28-6-29i
=48-31i

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