Using a suitable identity, find the following product:
$(2 x - 5) (2 x - 5)$

Open in App

Solution

The given expression is $(2 x - 5) (2 x - 5)$ .
We know that, $(a - b) (a - b) = (a - b)^{2} = a^{2} - 2 a b + b^{2}$
Here, $a = 2 x$ and $b = 5$

$∴ (2 x - 5) (2 x - 5) = 4 x^{2} - 20 x + 25$ .

Suggest Corrections

Similar questions

(2 m + 3) (2 m + 3)

(x + 2) (x - 5)

(5 - 3 x) (3 + 2 x)

(2 x + 7) (3 x - 5)

Use suitable identities to find the following product: (3 – 2x) (3 + 2x)

Join BYJU'S Learning Program