Simplify:
$(2 x + 5) (2 x - 5)$

4 x^{2} - 25

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4 x^{2} + 25

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2 x^{2} - 25

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2 x^{2} + 25

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Solution

The correct option is A $4 x^{2} - 25$
$(2 x + 5) (2 x - 5)$
$= (2 x)^{2} - 5^{2}$
$= 4 x^{2} - 25$
So, $A$ is correct.

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Similar questions

Q. Tick (✓) the correct answer:
(2x + 5)(2x − 5) = ?
(a) (4x² + 25)
(b) (4x² − 25)
(c) (4x² − 10x + 25)
(d) (4x² + 10x − 25)

Tick $(✓)$ the correct answer in each of the following:
$(2 x + 5) (2 x - 5) = ?$
(a) $(4 x^{2} + 25)$
(b) $(4 x^{2} - 25)$
(c) $(4 x^{2} - 10 x + 25)$
(d) $(4 x^{2} + 10 x - 25)$

The equation of a circle passing through points of intersection of the circles $x^{2} + y^{2} + 13 x - 3 y = 0$ and

$2 x^{2} + 2 y^{2} + 4 x - 7 y - 25 = 0$ and point (1, 1) is

Q. Simplify

\frac{25}{4} x^{2} - \frac{y^{2}}{9}

Q. Simplify:
−4x² + {(2x² − 3) − (4 − 3x²)}

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Simplify:(2x+5)(2x−5)

The correct option is A 4x2−25 (2x+5)(2x−5)=(2x)2−52=4x2−25So, A is correct.

Simplify:
$(2 x + 5) (2 x - 5)$

The correct option is A $4 x^{2} - 25$
$(2 x + 5) (2 x - 5)$
$= (2 x)^{2} - 5^{2}$
$= 4 x^{2} - 25$
So, $A$ is correct.