Question

if 2 is a 0 of both the polynomial, 3x Square+ ax-14 and 2x-b then a-2b=
please give me answers with step by step ​

Answer 1

Answer:

3x²+ax-14=0

3(2)²+a(2)-14=0

12+2a-14=0

2a=2

a=1

2x-b=0

2(2)-b=0

4=b

a-2b=0

1-2(4)=0

1-8=0

7=0