5. Write the following statement as a mathematical expression using parenthesis and brackets and then evaluate. 51. Multiply 5 by 3.From this product subtract 4.from this difference subtract 2. 52. Add 4 to 9.divide this sum by 2.Add 10 to this quotients. 53. Divide 20 by 5.Add 12 to this quotients.Subtract 8 from this sum. Multiply this difference by 9. 54. Multiply 6 by 3.to this product add 27.Divide this sum by 8.Multiply this quotient by 10. 55. Add 4/5 to 2/3.multiply this sum by 2/3. 56. Multiply 3/5 by 4/5.To this product, add 7/120.from this sum subtract 1/60.

6. Evaluate for the value given. 57. x+4,when x=4 58. -4x 2 -2x+5 when x=1 59. 4(x + y) 2 -4x-3y when x=2 and y= -3 77. 4(a + b) 2 +4(a + b)- 6 when a=4 and b=-1 79. x 2 y-6xy-y 2 when x=2 and y= 3 83. 5(2x-3) 2 -4(6-y) 2 when x=-2 and y =-1