2-9 no calculators
-7
2+2+2+2+2+2+2+2+2 no calulators
18
P.S (f) (X)= -1x2+20, and (b)= 6x-9
hint don't forget (f+b) (x)=
(f+g) (x)= -1x2+6+11
14 times 2
no calculators
28
3x2+2x-1
x=2
(f+g) (2)= 13
7-5-2 no calculators
0
21+4200+96 no calculators
5370
P.S (c) (X)= -1x2+25, and (a)= 6x-10
hint don't forget (c+a) (x)=
(f+g) (x)=-1x2+6x+15
no calculators
24
hint multiply 2 4 times16
4x2+3x-2
(f+g) (2)= 17
80-800 no calculators
-720
1+2+3+4+5+6+7+8+9+10
no calculators
55
P.S (d) (X)= -1x2+21, and (w)= 16x-12
hint don't forget (d+w) (x)=
(f+g) (x)=-1x2+16+9
2x2x3
no calculators
12
21x2-10x+3
x=2
(f+g) (2)=65
-100-100 no calculators
-200
11+12+13+14+15
no calulators
65
P.S (g) (X)= -2x2+21, and (f)= 6x-12
hint don't forget (m+h) (x)=
(f+g) (x)=-2x2+6x+9
2x3x4
no calculators
24
40x2-20+10
130
550-990-1000
-1440
100+200+300 no caculators
600
P.S (z) (X)= -1x2+43, and (y)= -6x-53
(f+g) (x)= 1x2+6-10
200x100x10
no calculators
200,000
45x2-3x+1
x=3
397