Question

if
$x = 1$
find the value of
$2 {x}^{2} - 7 {x}^{2} + 3x$
​

Answer 1

Answer:

Given,

Value of 'x' = 1

To Find :-

$\sf value\: of \:"2x^{2} - 7x^{2} + 3x"$

Solution:-

Value of 'x' = 1

$\sf value\: of \:"2x^{2} - 7x^{2} + 3x"$

= $\sf - 5x^{2} + 3x$

Substituting value of 'x' :-

$\sf = - 5 (1)^{2} + 3(1)$

= - 5(1) + 3

= - 5 + 3

= 3 - 5

= - 2.

$\sf\therefore  value\: of \:"2x^{2} - 7x^{2} + 3x" = - 2$ , When x = 1

Answer 2

Answer:

-2

Step-by-step explanation:

$2x^{2} - 7x^{2} + 3x \\ = 2 \times 1 \times 1 - 7 \times 1 \times 1 + 3 \times 1 \\ = 2 - 7 + 3 \ \\ \: \ \: = - 2$