1.

-(7)/(2)x^(2)((2)/(7)x^(2)+4y^(2))

Answer» Distribute

`-7 / 2 * (2 / 7 x ^ 4 + x ^ 2 * 4 y ^ 2)`

Multiply Fractions

`(-7 * (2 / 7 x ^ 4 + x ^ 2 * 4 y ^ 2)) / 2`

Distribute

`((-7 * 2) / 7 * x ^ 4 + -7 * x ^ 2 * 4 y ^ 2) / 2`

Cancel Terms

`((-1 * 2) * x ^ 4 + -7 * x ^ 2 * 4 y ^ 2) / 2`

Collect And Combine Like Terms

`((-1 * 2) * x ^ 4 + -28 * x ^ 2 * y ^ 2) / 2`

Simplify Arithmetic

`(-2 x ^ 4 + -28 * x ^ 2 * y ^ 2) / 2`

Break Up Fraction

`-2 x ^ 4 / 2 + -28 * x ^ 2 * y ^ 2 / 2`

Simplify Fraction

`-x ^ 4 + -28 * x ^ 2 * y ^ 2 / 2`

Collect And Combine Like Terms

`-x ^ 4 + (-28 * 1) / 2 * x ^ 2 * y ^ 2`

Remove Multiplying By One

`-x ^ 4 + -28 / 2 * x ^ 2 * y ^ 2`

Simplify Fraction

`-x ^ 4 + -14 * x ^ 2 * y ^ 2`



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