The polynomial expression is .
Rewrite the expression .
This is not a perfect square trinomial.
\The trinomial compare to general trinomial expression: , So a = 10, b = 17, c = 3.
To find two numbers with a sum of 17 and a product of .
This trinomial list of the factors of 30, and look for the pair of factors is a sum of 17.
\Factors of 30 | \Sum of factors | \
\
3, 10 \2, 15 \ | \
\
13 \17 \ | \
The correct factors are 2 and 15.
To factor trinomials of the form , find two integers, m and n, with a sum equal to b and a product equal to c.
Then write .
Group terms with common factors.
\Combine like terms using distributive property: ac + bc = (a + b)c.
\Check:
\To check the solution by multiply the two factors.
\ (Using FOIL method)
Combine like terms using distributive property: ac + bc = (a + b)c.
\Distribute terms using distributive property: a( b + c) = ab + ac.
\The solution is "true".
The solution is .