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Q. 10.     Simplify the expression and find its value when and

When a = 5 and b = -3 the value 2( a2 + ab ) + 3 - ab = 38

Q. 9.     What should be the value of a if the value of  equals to , when

Therefore for a = -5 when the value of x=0

Q. 8.    (ii) If  find the value of

If p = -10 the value of p2 - 2p - 100 = 20

Q. 8.     (i) If   find the value of

If z = 10 the value of z3 - 3( z - 10 ) = 1000

Q. 7.     Simplify these expressions and find their values if

(i)

(ii)

(iii)

(iv)

(v)

The expression is simplified as follows and also obtained their values (i) (ii) (iii) (iv) (v)

Q. 6.     Simplify the expressions and find the value if is equal to

(iv)

If x is equal to 2 the value of 4( 2x - 1 ) + 3x + 11 = 29

Q. 6.     Simplify the expressions and find the value if is equal to

(iii)

If x is equal to 2 the value of  6x + 5( x - 2 ) = 12

Q. 6.     Simplify the expressions and find the value if is equal to

(ii)

If x is equal to 2 the value of 3( x + 2 ) + 5x - 7 = 15

Q. 6.     Simplify the expressions and find the value if  is equal to

(i)

If x is equal to 2 the value of x + 7 + 4( x - 5 ) = -3

Q. 5.     When  find the value of the given expressions:

(iv)

When a = 0 and b = -1 the value of the given expression a2 + ab + 2 = 2

Q. 5.     When  , find the value of the given expressions:

(iii)

When a = 0 and b = -1 the value of the given expression 2a2b + 2ab2 + ab = 0

Q. 5.     When  find the value of the given expressions:

(ii)

When a = 0 and b = -1 the value of the given expression 2a2 + b2 + 1 = 2

Q. 5.     When  find the value of the given expressions:

(i)

When a = 0 and b = -1 the value of the given expression 2a + 2b = -2

Q. 4.     If   find the value of

(iii)

a2 - b2 = 22 - ( -2 )2 = 4 - 4 = 0 If a = 2 and b = -2 the value of a2 - b2 = 0

Q. 4.     If find the value of:

(ii)

If a = 2 and b = -2 the value of a2 + ab + b2 = 4

Q. 4.     If   find the value of:

(i)

a2 + b2 = ( 2 )2 + ( -2 )2  = 4 + 4 = 8 If a = 2 and b = -2 the value of a2 + b2 = 8

Q. 3.     Find the value of the following expressions, when :

(iv)

So the value at x=-1 is 1

Q. 3.     Find the value of the following expressions, when :

(iii)

If x = -1 the value of x2 + 2x + 1 = 0

Q. 3.     Find the value of the following expressions, when

(ii)

-x + 2 = -( -1 ) + 2 = 1 + 2 = 3 If x = -1 the value of -x + 2 = 3

Q. 3.     Find the value of the following expressions, when :

(i)

If x = -1 the value of 2x - 7 = -9
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