Step by step solution :

Step 1 :

Step 2 :

Pulling out like terms :2.1 traction out like factors:x2 - 7x=x•(x - 7)

Equation in ~ the end of step 2 :

x • (x - 7) = 0

Step 3 :

Theory - root of a product :3.1 A product of several terms equals zero.When a product of two or much more terms equals zero, climate at least one that the terms should be zero.We shall now solve each term = 0 separatelyIn various other words, we are going to solve as many equations as there space terms in the productAny systems of term = 0 solves product = 0 as well.

Solving a solitary Variable Equation:3.2Solve:x = 0 systems is x = 0

Solving a single Variable Equation:3.3Solve:x-7 = 0Add 7 to both political parties of the equation:x = 7

Two solutions were discovered :

x = 7x = 0




You are watching: X^2-7x factored

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