# if x is a real number such that x³ + 4x = 8 , then find the value of X^{7 }+ 64x²

^{7 }+ 64x²

^{}

### Asked by yeeshuraj3 | 19th Sep, 2016, 07:16: AM

Expert Answer:

### Answered by Vijaykumar Wani | 20th Sep, 2016, 11:48: AM

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