f(X) = X2+9+10x find zeroes
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Step-by-step explanation:
Here,
x² + 9 + 10x
x² + 10x + 9 = 0
x² + 9x + x + 9 = 0
x ( x + 9 ) + 1 ( x + 9 ) = 0
( x + 1) ( x + 9 ) = 0
Either,
x + 1 = 0
x = - 1
or,
x + 9 = 0
x = - 9 answer
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