Numerical value of a trinomial (with decimal fractions) — task. Maths CBSE Homework Assignments, Class 7.

Simplify the trinomial and find its numerical value:

- r h r + r^{2} h 4 r h + 4.5

where

r = 1, h = 2

The numerical value of the trinomial is .

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2. Numerical value of a trinomial (with decimal fractions)