Applicant system

Step by step solution :

Step 1 :

Step 2 :

Pulling out like terms :2.1 Pull out lượt thích factors:s2 - 2s=s•(s - 2)

Equation at the over of step 2 :

s • (s - 2) = 0

Step 3 :

Theory - Roots of a sản phẩm :3.1 A sản phẩm of several terms equals zero.When a product of two or more terms equals zero, then at least one of the terms must be zero.We shall now solve each term = 0 separatelyIn other words, we are going to solve as many equations as there are terms in the productAny solution of term = 0 solves hàng hóa = 0 as well.

Solving a Single Variable Equation:3.2Solve:s = 0 Solution is s = 0

Solving a Single Variable Equation:3.3Solve:s-2 = 0Add 2 to both sides of the equation:s = 2

Two solutions were found :

s = 2s = 0

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