Question
Simplify the combining the like terms and then write whether the expression is a monomial, a binomial or a trinomial:
$p^3 q^2 r+p q^2 r^3+3 p^2 q r^2-9 p^2 q r^2$
$p^3 q^2 r+p q^2 r^3+3 p^2 q r^2-9 p^2 q r^2$
✓
Answer
We have
$p^3 q^2 r+p q^2 r^3+3 p^2 q r^2-9 p^2 q r^2$
By combining the like terms
$=p^3 q^2 r+p q^2 r^3+3 p^2 q r^2-9 p^2 q r^2$
$=p^3 q^2 r+p q^2 r^3-6 p^2 q r^2$
The expression contains three terms so, it is binomial.
$p^3 q^2 r+p q^2 r^3+3 p^2 q r^2-9 p^2 q r^2$
By combining the like terms
$=p^3 q^2 r+p q^2 r^3+3 p^2 q r^2-9 p^2 q r^2$
$=p^3 q^2 r+p q^2 r^3-6 p^2 q r^2$
The expression contains three terms so, it is binomial.
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