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Simplifying Expressions

How do you:

1) Simplify (13x^4 - 3x^3 + 2x^2) - (4x^5 - 6x^4 + 5x^3 + 2x^2 - 4x^0)

2) Simplify 5x^3(4x^2 - 11x)

3) Simplify (3y - 2)(4y^2 + 3y -5)

4) Simplify (3x - 5)(2x +1)

5) Simplify (x^2 + 4)(x^2 - 5)

6) Evaluate 2x^3y - 5xy^2 +5xy + 3y - 4 for x = -2 & y = +3

7) Simplify (12x^3y^3 - 5x^2 + 3y^2) - (4x^3y^3 + 6x^2y - 3x^2 + 5)

8) Simplify ((-8a^-1b^-3)/(2a^3b))^-2

Solution Summary

Expressions are simplified.

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