If 4l-3m=15 and lm=10, then find the value of 16l^{2}+9m^{2}?

ostowatygjt 2022-02-04 Answered
If 4l3m=15 and lm=10, then find the value of 16l2+9m2?
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Expert Answer

Reagan Blair
Answered 2022-02-05 Author has 16 answers

Step 1
l=10m
4(10m)3m=15
40m3m=15
403m2=15m
0=3m2+15m40
By the quadratic formula:
m=15±152(4×3×40)2×3
m=15±7056
l=1015±7056
l=6015±705
Now, we can do our calculation:
16(6015±705)2+9(15±7056)2
I will leave the rest of the simplification up to you.

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