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P(×) =2ײ-5ײ + 3× - 7;× = - 3​

Sagot :

Step-by-step explanation:

P(x) = 2x³+5x²-3 find P(-1)

P(-1) = 2(-1)³+5(-1)²-3

P(-1) = 2(-1)+5(1)-3

P(-1) = -2+5-3

P(-1) = 0