Question

Find the value of below algebriac expression for x=2, y=-1 and z=2
i. 4x2 – 3y2 + 522
ii. 323. – 2x(4yz + 5x2)
iii. 1 – 42(yz + 3xy)​

Answer 1

Step-by-step explanation:

4*2-3*-1*2+522

8-3-1*2+522

5-1*2+522

4*2+522

8+522

530

2.323- 2*2(4*1*2+5*2)

323-4(8+10)

319*18

5742.

3.1-42(1*2+3*2*1)

41(2+6)

41*8

328.