Question

simplify (3-x) (3+x) (9+x²)​

Answer 1

Step-by-step explanation:

This is the answer

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Answer 2

Let's simplify.

$(3-x)(3+x)(9+x^2)$

$((3-x)(3+x))(9+x^2)$

$((3-x)(3+x))(9)+((3-x)(3+x))(x^2)$

$-9x^2+81-x^4+9x^2$

$-x^4+81$

∴ When we simplify $(3-x)(3+x)(9+x^2)$ we get $-x^4+81$.

Additional Information

What is a variable?

A symbol used to represent an unknown value is known as a variable.

What is an expression?

A mathematical statement with no equal sign and variable can change is known as an expression.

What is an equation?

A mathematical statement which has an equal sign and variable has an answer is known as an equation.