Trying to find the right answer to this..

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

Factorisation

Short Answer Type

131.

Find and correct the errors in the following mathematical statement.

(a - 4) (a -2) = a² - 8

87 Views

132.

Find and correct the errors in the following mathematical statement.

$fraction numerator 3 straight x squared over denominator 3 straight x squared end fraction space equals space 0$

74 Views

133.

Find and correct the errors in the following mathematical statement.

$space space fraction numerator 3 straight x squared plus 1 over denominator 3 straight x squared end fraction space equals space 1 space plus space 1 space equals space 2$

107 Views

134.

Find and correct the errors in the following mathematical statement.

$fraction numerator 3 straight x over denominator 3 straight x plus 2 end fraction equals 1 half$

83 Views

135.

Find and correct the errors in the following mathematical statement.

$fraction numerator 3 over denominator 4 straight x plus 3 end fraction space equals space fraction numerator 1 over denominator 4 straight x end fraction$

136 Views

136.

Find and correct the errors in the following mathematical statement.

$fraction numerator 4 straight x plus 5 over denominator 4 straight x space end fraction space equals space 5$

72 Views

137.

Find and correct the errors in the following mathematical statement.

$fraction numerator 7 straight x plus 5 over denominator 5 end fraction space equals space 7 straight x$

76 Views

138.

Factorise: 27x³ - 21x² + 15x⁴

279 Views

139.

Factorise: ax³y + bx²y³ + cx²yz

67 Views

140.
Factorise: x – 9 + 9zy – xyz

By regrouping, we have

   x - 9 + 9zy - xyz = x - 9 - xyz + 9zy

                          = 1(x - 9) - yz(x - 9)

                          = (x - 9)(1 - yz)

                          = (x - 9)(1 - yz)

147 Views

Previous Year Papers

Test Series

Test Yourself

Short Answer Type

140. Factorise: x – 9 + 9zy – xyz

140.
Factorise: x – 9 + 9zy – xyz