Math, asked by ramanamollivenkata, 9 months ago

what is the product of (x+3) (x-3)​

Answers

Answered by Anonymous
10

(x+3)(x-3)

=(x)²-(3)² [Using (a+b)(a-b) = a²-b²]

=x²-9 (Ans)

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Answered by KomalSrinivas
3

Given: (x+3) (x-3)

To Find- The product of the given factors.

Solution:

(x + 3) (x - 3)

= x^{2} -3x+3x-9

= x^{2} -9 (+3x and -3x will be canceled)

Alternative method

We can use the formula,

(a + b) (a - b) = a^{2} -b^{2}

∴ (x + 3) (x - 3)

= x^{2} -3^{2}

= x^{2} -9

Answer: The product is x^{2} -9.

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