Simplify the following expression and justify each step in your simplification. 5(7-x)+6x(3x+4)
2 answers:
Answer:
The simplified form of the given expression is .
Step-by-step explanation:
The given expression is
We need to find the simplified form of the given expression.
Using distributive property we get
On further simplification we get
On combine like terms.
Therefore the simplified form of the given expression is .
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Answer:
\sqrt{6}
Explanation:
From the given diagram,
Hypotenuse sde = x
Opposite side = \sqrt{3}
Using the SOH CAH TOA identity
Sintheta = opposite/hypotenuse
Sin 45 = \sqrt{3}/x
x = \sqrt{3}/sin45
Hence the value of x is \sqrt{6}