AM-1508

Binomial expansion

A Math · Secondary 4 · Easy · Binomial expansion

Expand and simplify the first three terms in descending powers of

x

of

(2x-3)^5

.

$32x^5-240x^4+720x^3$
$32x^5+240x^4+720x^3$
$32x^5-120x^4+360x^3$
$2x^5-30x^4+90x^3$

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