Photomath в помощь(есть в App Store и play market)
<span>48sin29*cos29/sin58 = 24sin58/sin58 = 24.</span>
1. (d+8-2d)(d+8+2d)=(8-d)(8+3d)
2. (x-5-2x)(x-5+2x)=(-x-5)(3x-5)
3. (a-8-√6a)(a-8+√6a)
4. (d+8-3)((d+8)²+3(d+8)+9)
5. (∛12)³-(7+8c)³=(∛12-7-8c)((∛12)²+(7+8c)∛12+(7+8c)²)