What’s the value of x
(3x + 10)*
(5x-10)

a)x=30 b.)*= 28
c)x=25 d)x=10

3questions show how you solved the problem 1. subtract & simplify (–y2 – 4y – 8) – (–4y2 – 6y + 3) 2.multiply and simplify 2x2y3z2 · 4xy4x2 3.multiply and simplify (x – 4) (x2 – 5x – 6)