simplify x^2y^5(-7x^5y^2)

الحلّ

simplify

x^{2} y^{5} (- 7 x^{5} y^{2})

- 7 x^{7} y^{7}

خطوات الحلّ

x^{2} y^{5} (- 7 x^{5} y^{2})

a (- b) = - ab

:Apply rule

x^{2} y^{5} (- 7 x^{5} y^{2}) = - x^{2} y^{5} \cdot 7 x^{5} y^{2}

= - x^{2} y^{5} \cdot 7 x^{5} y^{2}

x^{2} x^{5}

بسّط:

x^{7}

= - x^{7} y^{5} \cdot 7 y^{2}

y^{5} y^{2}

بسّط:

y^{7}

= - x^{7} y^{7} \cdot 7

= - 7 x^{7} y^{7}

e x p an d - 5 x^{2} (- x^{2} - 3 x)

s im pl i f y \frac{13}{16} + \frac{3}{128}

f a c t or 81 r^{2} - 36 r - 18

s im pl i f y 81 \cdot 8

s im pl i f y \frac{- 4. 9 ^{2} - 25}{- 4.9 + 5}