Question

find the value of the expression 5×^2-3×+7 at ×=2.

Answer 1

${\huge {\mathfrak {Answer :-}}}$

✨${} 5x^2 - 3x + 7$

At x = 2, we have

= ${} 5 \times 2^2 - 3 \times 2 + 7$

= ${} 5 \times 4 - 6 + 7$

= ${} 20 + 1$

= 1

That's it.. ▪️

Answer 2

Answer is in the attachment