Question

please solve this question plz fast solve this question​

Answer 1

Answer:

$5(x + 8)(x - 8)$

Step-by-step explanation:

To factorise:

$5x^{2} - 320$

Method to factorise:

First, we can simplify the expression by taking their H.C.F common. In this case, their H.C.F is 5.

So,

$5(x^{2} - 64)$

Since both the terms of the expression in the bracket are whole squares, we can use the following identity to factorise it:

a² - b² = (a + b)(a - b)

⇒ √x² = x

⇒ √64 = 8

So,

$5(x + 8)(x - 8)$

Hope it helps!

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Given below are some more identities.

Answer 2

Answer:

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