Question

pls solve any questions u perfectly know.... chap is algebraic expressions identies​

Answer 1

10) if 2x+y=14 and xy=6, find the value of 4x²+y²

2x = 14-y

4x²+y² = (2x)²+y²

(2x)²+y² = (14-y)²+y²

(14-y)²+y² = 196-y²+y² = 196

Answer 2

I know 14. one

Answer:

70

step by step explaination

step 1: calculate 52 ^ 2 and get 2704.

step 2: calculate 18 ^ 2 and get 324.

step 3: subtract 324 from 2704 to get 2380

step 4: for divide 2380 by 34 to get 70

HOPE IT HELPS YOU!!!!!!

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