If 3 is zero of polynomial. Xsquare ±2x-15? Give reasons
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Answered by
5
p(x)=3×3 +2×3 -15=0. proved
Answered by
5
x²+2x-15 = 3
3²+2*3-15
9+6-15
15-15
0
proved my dear mate...
3²+2*3-15
9+6-15
15-15
0
proved my dear mate...
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