izzyisawesome5232
23.03.2021 •
Mathematics
Please help its due soon
1. (5k3-9k2+12k-3) and (k3+10k2+k+14)
2.(3y4+2y2-7y) and _5y3-2y2+2y+9)
3. (4n2-8n+3)-(3n2+5n-4)
4. (6x4-x3+12x-16)-(5x3+2)
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Ответ:
Answer is in the photo. I can only upload it to a file hosting service. link below!
tinyurl.com/wpazsebu
Ответ:
2√(x-5) = 2
√(x-5) = 1
x-5 = 1
x=6 solution is not extraneous!