Answer:

Explanation:

• My solution is on the Picture
• 5x ^4 doesn't add to 6x^3, because 4 is the highest degree so that it can be the leading coefficient

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"Life is a MATH EQUATION.

In order to gain the most,

You have to know how to

convert the NEGATIVES

INTO POSITIVES".

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#Math Teacher

#Math is Fun

5x⁴+6x³-7x²-3

Step-by-step explanation:

Simplify:

5x⁴ −3x² + 4 + 6x³ −4x² −7

=5x⁴+ −3x² + 4 + 6x³ + −4x² + −7

Combine:

=5x⁴+ −3x² + 4 + 6x³ + −4x² + -7

=(5x⁴) + (6x³) + (−3x²+ −4x²) + ( 4 + −7)

=5x⁴+ 6x³−7x²-3