Question

1) If x= (-2), then value of 5x2-x2=
2) (2 + 3 + 4) is
3) The usual form 2.0005 x105

please answer me​

Answer 1

Answer:

Hi what is the full question ???

Answer 2

Step-by-step explanation:

$x = - 2 \\ \\ 5 { (- 2)}^{2} - { (- 2)}^{2} \\ = 5 \times4 - 2 \\ = 20 - 2 \\ = 18$

$2 + 3 + 4 = 9$

No 3 I forgot darling

Because of HSc pressure