Jerome bought a sweater that was on sale for 20 percent off. Jerome paid $25.10 for the sweater, including sales tax of 8.25 per
1 answer:
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Answer:
Step by step explanation:
Distribute the x as well as the -4
x * x = x^2
x * 2 = 2x
-4 * x = -4x
-4 * 2 = -8
Combine all the like terms, which means terms with the same variable or regular integers must be either added or subtracted amongst each other.
2x + -4x = -2x
The final answer after combining all the like terms is
x^2 - 2x - 8
Find both roots :
hence 
Thus it is
Thus it is