X - 3
Find
- 2x² + 5x² + 5x+7
Answers
Answered by
1
x=3
-2*9+5*9+15+7
-18+45+22
49
Answered by
0
Step-by-step explanation:
the zero of the polynomial = x-3= 0
x= 3
p(x)= -2x² + 5x² + 5x+7
p(3)= -2(3)² + 5(3)² + 5×3+7
= -2× 9 + 5×9 + 15+7
= -18+45+22
= -18+67
= 49
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