rue61
23.04.2021 •
Mathematics
Simplify: 11square + 1011square + 1110square
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Ответ:
x = - 5, - 6
Step-by-step explanation:
x^2 + 11x + 30 = 0
x^2 + 5x + 6x + 30 = 0
x ( x + 5 ) + 6 ( x + 5 ) = 0
( x + 6 ) ( x + 5 ) = 0
x + 6 = 0
x = - 6
x + 5 = 0
x = - 5