Question

if the zero of the polynomial 3x²-px+2 and 4x²-qx-10 is 2, find the value of 2p-3q

Answer 1

$3 ( {2}^{2} ) - p \times 2 + 2 = 0$
substitute the 2 in the given equations we get
12+2-2p=0
then p=7
similarly
16-2q-10=0
q=3
then
2(7)-3(3)=14-9=5

Answer 2

Answer:

Hope the answer helps you