Question

if p = -7, find the value of p² - 3p - 45​

Answer 1

Answer:

ans.) 25

Step-by-step explanation:

Substitute the values

(-7*-7)- 3(-7) - 45

49+21- 45

= 25

Answer 2

Answer:

-17

Step-by-step explanation:

first replace p square 2 by 7 = 7 square 2-3(multiply)7-45

square of 7 is 49 so 49-21-45

49-21=28 so 28-45

so 28 is smaller than 45 so the diffrence is gonna be a negative number . an easy way to get the diffrence is 45-28 and put - sign before the number . so 45 - 28 is 17 so the final answer is negative 17 or -17

hopw it helps pls mark me as brainliest