√8+√32+√18-√24(2-√2)(3+√2)
=2√2+4√2+3√2+√24(√2-2)(√2+3)
=(2+4+3)√2+√24(2+√2-6)
=9√2+√24(√2-4)
=9√2+√48-4√24
=9√2+4√3-8√6