Question 142748
3 sq root 32 - 5 sq root 50 - 8 sq root 45 + 7 sq root 20
3SQRT(16*2)-5SQRT(25*2)-8SQRT(9*5)+7SQRTR(4*5)
3*4SQRT2-5*5SQRT2-8*3SQRT5+7*2SQRT5
12SQRT2-25SQRT2-24SQRT5+14SQRT5
(12-25)SQRT2+(-24+14)SQRT5
-13SQRT2-10SQRT5 ANSWER.