Gimana caranya, ya? terima kasih

SP = akar ( 10^2 – 6^2) = akar (100-36)
= akar 64 = 8 cm
PQ = akar ( 15^2+8^2) = akar (225+64)
= akar 289 = 17
2x – 3 = 17
2x = 20
x = 10 cm