1.

What should be the valueora ifthe value of 2x2HX-aequals to 5, when x =0?Simplify the expression and find its value when a 5 and b--3.9.10.2(a? +ab) 3-ab

Answer»

9) When x=0

Then 0+0-a=5

Hence a=-5

10) When a=5 and b=-3

Then

2(25-15)+3-1520+3-15=8



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