8x × 7x + 10x × √3 + √4
= 8x² × 7 + 10x√3 + √4
= 56x² + 10x√3 + 4
= 56x² + 10x√3 + 2
89 + 79 + 22 × 4
= 168 + 22 × 4
= 168 + 88
= 256
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8x × 7x + 10x × √3 + √4
= 8x² × 7 + 10x√3 + √4
= 56x² + 10x√3 + 4
= 56x² + 10x√3 + 2
89 + 79 + 22 × 4
= 168 + 22 × 4
= 168 + 88
= 256