Answer:
w= ± ⁴√36/5
Explanation:
-8+5w^4=28
=>5w⁴=28+8
=>w⁴=36/5
=>w= ± ⁴√36/5
w = ±
You can regroup it:
5w^4 - 8 = 28
Add 8 to both side:
5w^4 = 28 + 8
5w^4 = 36
Divide both side by 5:
5w^4/5 = 36/5
w^4 = 36/5
Take the 4 root of both sides:
Hope this help you :3
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![\sqrt[4]{36/5}](https://img.qammunity.org/2020/formulas/mathematics/middle-school/g8vkqektsn087nwhehxwinnnacr35lfx42.png)