Answer:
x= 10
Step-by-step explanation:
4x^2 + 8x -5 and ×= 3/4
4(3/4)^2 + 8(3/4) -5
4/1 × 3/4 = 12/4
8/1 x 3/4= 24/4
= 3^2 + 6 -5
=9 + 1
so there for x= 10
:)