An expression is shown below:
10n^3 − 15n^2 + 20xn^2 − 30xn
part a: rewrite the expression so the gcf is factored completely.
part b: rewrite the expression completely factored. show the steps of your work

use substitution to solve each system of equations. y = x + 5 3x + y = 25 62/87,21 y = x + 5 3x + y = 25 substitute x + 5 for y in the second equation. substitute the solution for x into either equation to find y. the solution is (5, 10)

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step-by-step explanation:

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.