Question

simplify 8.4*8.4-1.6*1.6/8.4-1.6​

Answer 1

Answer:

8.4+1.6

Step-by-step explanation:

$8.4 \times 8.4 \: can \: be \: written \: as \: {(8.4)}^{2} \\ also \: 1.6 \times 1.6 \: can \: be \: writen \: as \: {(1.6)}^} \\ we \: know \: that \: {x}^{2} - {y}^{2} = (x + y)(x - y) \\ so \: \frac{(8.4 - 1.6)(8.4 + 1.6)}{8.4 - 1.6} = 8.4 + 1.6 = 10.0 \\ pls \: mark \: as \: brainliest$