Question

Classify the expression: 5x 3x2 − 7x3 2. Linear expression Quadratic expression Cubic expression Quartic expression.

Answer 1

The given expression 5x+3x²-7x³+2 is a cubic expression.

What is a cubic expression?

A cubic expression is a three-dimensional algebraic equation of the form ax³ + bx² + cx + d = 0, where the coefficients are a, b, and c, and the constant is d.

In order to classify the given expression as 5x+3x²-7x³+2, we need to rearrange the given expression,

$5x+3x^2-7x^3+2\\\\=-7x^3+3x^2+5x+2$

Since the highest power that is in the expression is 3, therefore, the given expression is a cubic expression.

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