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:x7 = 0Add 7 to both political parties of the equation:x = 7
Two solutions were discovered :
x = 7x = 0You are watching: X^27x factored
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