is X= -3 zero of polynomial p(x)= 2 X square + 5 x + 3
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Hey there
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We have
f ( x ) = 2x² + 5x + 3
To verify :- Whether -3 is its zero or not
putting x = -3, to obtain
→ f ( x ) = 0
→ 2( -3 ) ² + 5 ( - 3) + 3 =0
→ 2 × 9 - 15 + 3 = 0
→ 21 - 15 =0
→ 6 ≠ 0
Hence -3 isn't a zero of f ( x )
Hope this may help you
--------------
We have
f ( x ) = 2x² + 5x + 3
To verify :- Whether -3 is its zero or not
putting x = -3, to obtain
→ f ( x ) = 0
→ 2( -3 ) ² + 5 ( - 3) + 3 =0
→ 2 × 9 - 15 + 3 = 0
→ 21 - 15 =0
→ 6 ≠ 0
Hence -3 isn't a zero of f ( x )
Hope this may help you
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