Question

Write the polynomial p(x) = 7 + 4x2 - 5x² in its
standard form​

Answer 1

Step-by-step explanation:

First of all

7+8-5x²

= 15-5x²

In standard form the squared variable always comes first. So,

-5x²+15=0

Removing minus sign and finding common,

-5(x²-3)=0

x²-3=0/-5

x²-3=0