Question
3. Илэрхийллийг унэн байлгах * оронд нэг гишуүнт бичээря, a. \( { }^{*}\left(5 b^{2}-8 b+7\right)=15 b^{3}-24 b^{2}+21 b \) b. \( *\left(4 y^{2}+7 y+8\right)=21 y^{7}+^{*}+^{*} \) c. \( *\left(3 x^{2}-12 x-*\right)=18 x^{5}-*-30 x^{6} \) d. \( 5 a^{2} b^{3} \cdot\left(*-9 b^{2}+*\right)=20 a^{5} b^{7}-*+a^{4} b^{3} \) e. \( \left(6 a^{2} b-*+*\right) * *=-18 a^{7} b+21 a^{6}-3 a^{5} \)
Ask by Schwartz Munoz. in Mongolia
Nov 24,2024
Upstudy AI Solution
Tutor-Verified Answer
Answer
a. \( * = 3b \)
b. \( * = 21y^5 \)
c. \( * = 6x^4 \)
d. \( * = 4a^3b^4 \)
e. \( * = 3a^5 \)
Solution
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