What is 12x^5y^4(-13x^4y^4) ?

The solution to 12x^5y^4(-13x^4y^4) is -156x^9y^8

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simplify 12x^5y^4(-13x^4y^4)

simplify

12 x^{5} y^{4} (- 13 x^{4} y^{4})

- 156 x^{9} y^{8}

Solution steps

12 x^{5} y^{4} (- 13 x^{4} y^{4})

Apply rule:

a (- b) = - ab

12 x^{5} y^{4} (- 13 x^{4} y^{4}) = - 12 x^{5} y^{4} \cdot 13 x^{4} y^{4}

= - 12 x^{5} y^{4} \cdot 13 x^{4} y^{4}

Multiply the numbers:

- 12 \cdot 13 = - 156

= - 156 x^{5} y^{4} x^{4} y^{4}

Simplify

x^{5} x^{4} : x^{9}

= - 156 x^{9} y^{4} y^{4}

Simplify

y^{4} y^{4} : y^{8}

= - 156 x^{9} y^{8}

ln (8) ln (16) ln (32)

+ 1 - 2

(- \frac{19}{8}) \cdot (- \frac{12}{7})

+ 9 - 6

3 (3 + 2)