Question

25p²+90pq+81q² putting p= -2, q=1

Answer 1

$25 {p}^{2} + 90pq + 81 {q}^{2} \\ 25 {( - 2)}^{2} + 90( - 2)(1) + 81 {(1)}^{2} \\ 100 - 180 + 81 \\ - 80 + 81 \\ 1$

A force is a push or pull upon an object resulting from the object's interaction with another object. Whenever there is an interaction between two objects, there is a force upon each of the objects

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Answer 2

Answer:

1

Step-by-step explanation:

25×4 -180 +81

100+81 -180

181-180

1

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