Question

Pls answer fast with EXPLANATION i will surely mark as brainliast and thanks.​

Answer 1

Answer:

3 i. 2x-7 = 2(-1)-7

-2-7=-9

ii. -x+2= -(-1)+2

1+2

3

iii. x square + 2x + 1

= -1*-1+2(-1)+1

=1+-2+1

=-2+1+1

= -2+2

= 0

iv. 2x square - x -2

2(-1) square - (-1)-2

= 2*1+1-2

=2-1

= 1

7i. 3x -5-x+9

3(3)-5-3+9

9-8+9

18-8

10

ii. 2-8x+4x+4

2-8(3)+4(3)+4

2-24+12+4

-22+16

-6

Hope it helps

please mark me as brainiest