Помогите срочно!!! Решите иррациональное уравнение:
а)√4х-7=0 
б)√х^2-10х+1=5

Помогите сделать упражнение то что в скобках не обращайте внимание

Pick out the compound words from the sentences given below.

1. The owner of the voice, a fair-haired dandy, comes through the gateway laughing. He is somewhat battle stained and his left fare arm, bandaged, comes through a torn sleeve. (B.Sh)

2. His face wore in their presence a mellow look of almost devil-may-care serenity.(Yal)

3. For reading only, he ware tortoise –shell eye –glasses, which he would perch low on the bridge of his nose, so that he could look over them, for his eyes were long-sighted.(id)

4. A great theatre-goer all his life, he was very lukewarm towards modern actors.(id)

5. Everything was at hand, from home-baked bread to mushrooms wild and tame; from the stables to pigsties; from roses to blue bells.(id) 

6. A huge grim woman, her face covered with network of tiny wrinkles, with the mouth of a bloodhound and the jaws of a bulldog, appears on the threshold. (B.Sh)

7. All was solid, and of the best, from the low four square red brick house, with its concrete terrace and French windows, to the cow-house from the oak-trees, hundreds of years, old, to the peach-trees, just planted along the south sunny walls. (id)