Is Is -3 the zero of polynomial 2x^4 +9x^3+11x^2+4x-6
show the calculations........ill markas brainliest who will show proper calculation
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f(x)=2x⁴+9x³+11x²+4x-6
x= -3
f(-3)=2(-3)⁴+9(-3)³+11(-3)²+4(-3)-6
= 2×81+9×-27+11×9-18
=162-243+99-18
=261-261
= 0
therefore,-3 is a zero of this polynomial
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