1.)
(3x + 4)(x - 2)
a.) 3x^2 - 2x - 8
b.) x - 8
c.) 3x^2 + 2x +8
d.) 3x^2 + 2x +8
2.)
(2y - 1)(4y - 3)
a.) -2y + 3
b.) 8y^2 -10y - 3
c.) 8y^2 -10y + 3
d.) 8y^2 - 2y + 3
Just use the distributive property:
(3x+4)(x-2)
(3x)(x-2)+(4)(x-2)
3x^2-6x+4x-8
3x^2-2x-8
Do #2 the same way
Review the examples in your text, or google binomial multiplication