Question

Level 3: What is the sum of the polynomials? (-7x2 – 3x4 – 5) + (-3x4 +3+9x²)

Answer 1

Answer:

2x^2-6x^4-2

Step-by-step explanation:

Answer 2

Answer:

Remove parentheses.

−7x²−3$x^{4}$−5−3$x^{4}$+3+9x²

Add −7x² and 9x² .

2x²−3$x^{4}$−5−3$x^{4}$+3

Subtract 3$x^{4}$ from −3$x^{4}$.

2x²−6$x^{4}$−5+3

Add −5 and 3.

2x²−6$x^{4}$−2

Step-by-step explanation: