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4 votes
Simpify the expression 7-x (-5x)-10 4x

1 Answer

4 votes
Step 1. Gather like terms


7-(-5x*x)-10,4x

Step 2.
Use Product Rule:
x^(a) x^(b) = x^(a+b)


7-(5 x^(2) )-10,4x

Step 3. Simplify brackets


7+5 x^(2) -10,4x

Step 4. Simplify
7+5 x^(2) -10 to
5x^(2) -3


5 x^(2) -3,4x

7+5{x}^{2}-10
User Nils Ohlmeier
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