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olga55 [171]
3 years ago
5

Simplify the following expression and justify each step in your simplification. 5(7-x)+6x(3x+4)

Mathematics
2 answers:
Mariulka [41]3 years ago
8 0
35-5x+18x^2+24x 
Simplify:
18x^2+19x+35
SIZIF [17.4K]3 years ago
7 0

Answer:

The simplified form of the given expression is 18x^2+19x+35.

Step-by-step explanation:

The given expression is

5(7-x)+6x(3x+4)

We need to find the simplified form of the given expression.

Using distributive property we get

5(7)+5(-x)+6x(3x)+6x(4)

On further simplification we get

35-5x+18x^2+24x

On combine like terms.

18x^2+(-5x+24x)+35

18x^2+19x+35

Therefore the simplified form of the given expression is 18x^2+19x+35.

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