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Substitute x=-3 in : x^2+7x+12= (-3)^2+7...

Substitute x=-3 in : `x^2+7x+12`= `(-3)^2+7(-3)+12`. = 9+4+12=25

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VGS PUBLICATION-BRILLIANT-FACTORISTION-EXERCISE
  1. Find the errors and correct the following mathematical sentences : (2x...

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  2. Find the errors and correct the following mathematical sentences :  (2...

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  3. Substitute x=-3 in : x^2+7x+12= (-3)^2+7(-3)+12. = 9+4+12=25

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  4. Substitute x=-3 in :x^2-5x+6=(-3)^2 - 5(-3)+6=9-15+6=0

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  5. Substitute x=-3 in : x^2+5x-(-3)^2+5 (-3)+6 =-9-15=-24

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  6. Find the errors and correct the following mathematical sentences :  (x...

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  7. Find the errors and correct the following mathematical sentences : (x+...

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  8. Find the errors and correct the following mathematical sentences : (3a...

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  9. Find the errors and correct the following mathematical sentences : (x+...

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  10. Find the errors and correct the following mathematical sentences : 5x^...

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  11. Find the errors and correct the following mathematical sentences : 2x^...

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  12. Find the errors and correct the following mathematical sentences : 3x...

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  13. Find the errors and correct the following mathematical sentences : 3x ...

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  14. Find the errors and correct the following mathematical sentences : (4x...

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  15. a^2 -2ab + b^2 =

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  16. 2 xx 2 xx 2 xx 2 xx2 xx 3 is a prime factorisation of

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  17. Common factors of 6xy, 9y^2

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  18. Factorise : 15a^3b - 35ab^3

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  19. Factorise : ax + ay + bx + by

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  20. Factorisation of : x^2 + 10x + 25

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