Question

4. If x= -5 find the value of the expression: -x2+2x+4​

Answer 1

Answer:-

Given= x= -5

$\large \sf \red{ { - x}^{2} + 2x + 4 }$

$= > - 5 \times ( - 5) + 2 \times ( - 5) + 4$

$= > 25 - 10 + 4$

$= > 15 + 4 = 19$

Hope it helps you.....

Answer 2

Answer:

-(-5)2+2(-5)+4

= +5×2+2(-5)+4

=10+(-10)+4

=10-10+4

=4 ans.