expand (a(bc-de)^2)r

الحلّ

expand

(a (b c - d e)^{2}) r

a b^{2} c^{2} r - 2 d e ab cr + d e^{2} a r

خطوات الحلّ

(a (b c - d e)^{2}) r

(a) = a

:احذف الأقواس

= a (b c - d e)^{2} r

(b c - d e)^{2} = b^{2} c^{2} - 2 d e b c + d e^{2}

= a r (b^{2} c^{2} - 2 d e b c + d e^{2})

= a r (b^{2} c^{2} - 2 d e b c + d e^{2})

فعّل قانون ضرب الأقواس

= a r b^{2} c^{2} + a r (- 2 d e b c) + a r d e^{2}

فعّل قوانين سالب-موجب

+ (- a) = - a

= a b^{2} c^{2} r - 2 d e ab cr + d e^{2} a r

(x^{2} y - y^{2}) d x + (x^{3} + y x) d y

- e^{x} (1 + e^{x})

\frac{( x + y ) ^{9}}{( x - y ) ^{5}}

\frac{1}{( x + h - 3 ) ( x - 3 )}

\frac{4 π ( r + 2 ) ^{2}}{3}