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find the value of 5p+2p^2+20 when p=-5​

Sagot :

cmcharmed4

Answer:

When p = -5 the answer is 45

Step-by-step explanation:

First, since p = -5, you have to plug -5 in as p into the equation

5(-5) + 2(-5)^2 +20          now we do pemdas, so we must fullfill the exponent

5(-5) +2 (25) + 20             now we multiply

-25 + 50 +20                       now we add / subtract

25 + 20                       and we continue adding

45

Answer:

45

Step-by-step explanation:

Substitute p = - 5 into the expression

5(- 5) + 2(- 5)² + 20

= - 25 + 2(25) + 20

= - 25 + 50 + 20

= - 25 + 70

= 45

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