Question

Z²+Z=56

Ayudaaa
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Answer 1

Aspa simple

Z² + Z = 56

Z² + Z - 56 = 0

z............-7

z .......... +8

-7z+8z = z

(z - 7)(z+8) = 0

z-7 = 0 y z + 8 = 0

z = 7 z = -8

CS= (-8 ; +7)