X^2 + 3x^2 + 4 - 3 help

The answer is 4 x^2 + 1

Step-by-step explanation:

X^2 + 3x^2 + 4 - 3

(x^2 + 3 x^2) + (4 − 3)

4 x^2 + 1

Step-by-step explanation:

Explanations Are below

Step 1

x^2 + 3x^2 + 4 - 3  Observe the equation

Step 2

x^2 + 3x^2 + 4 - 3  Combine the like terms

(x2+3x2)+(4+-3)

Step 3

(x2+3x2)+(4+-3)  Simplify by adding and subtracting

4x^2+1