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### Proper, Improper and Mixed Fractions

### Fractional Arithmetic

### Changing the Subject of an Expression

### Multiplying Expressions

Ex. 0:

(-2 x + 19) ( -5 x + -1)

=

10 x

^{2}+ -93 x + -19Ex. 1:

(4 x + 11) ( -2 x + -3)

=

-8 x

^{2}+ -34 x + -33Ex. 2:

(4 x + -2) ( 6 x + 4)

=

24 x

^{2}+ 4 x + -8Ex. 3:

(1 x + 8) ( 1 x + -6)

=

1 x

^{2}+ 2 x + -48Ex. 4:

(-11 x + 14) ( -9 x + 7)

=

99 x

^{2}+ -203 x + 98Ex. 5:

(-3 x + 2) ( 14 x + 16)

=

-42 x

^{2}+ -20 x + 32Ex. 6:

(1 x + -5) ( 2 x + -5)

=

2 x

^{2}+ -15 x + 25Ex. 7:

(9 x + 6) ( 16 x + -13)

=

144 x

^{2}+ -21 x + -78Ex. 8:

(5 x + -8) ( 5 x + -10)

=

25 x

^{2}+ -90 x + 80Ex. 9:

(-16 x + -16) ( 6 x + 7)

=

-96 x

^{2}+ -208 x + -112