x is equal to minus 4 is solution of the equation 2 X square + 5 x minus 12 is equal to zero
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Given polynomial -
f ( x ) = 2x² + 5x - 12
Given one zero = - 4
•°•
f ( - 4 ) = 0
Verification :
f ( - 4 ) = 2 ( - 4 )² + 5 ( - 4 ) - 12
f ( - 4 ) = 2 × 16 - 20 - 12
f ( - 4 ) = 32 - 32
f ( - 4 ) = 0
Yes, - 4 is a zero of the given polynomial.
^^"
f ( x ) = 2x² + 5x - 12
Given one zero = - 4
•°•
f ( - 4 ) = 0
Verification :
f ( - 4 ) = 2 ( - 4 )² + 5 ( - 4 ) - 12
f ( - 4 ) = 2 × 16 - 20 - 12
f ( - 4 ) = 32 - 32
f ( - 4 ) = 0
Yes, - 4 is a zero of the given polynomial.
^^"
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