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Fractorise (i) x ^(2) + 5x + 4 (ii) ...

Fractorise
(i) `x ^(2) + 5x + 4`
(ii) `9x ^(2) - 25`
(iii) `25 a ^(2) + 40 ab + 16 b^(2)`
(iv) ` 49x ^(2) -112 xy + 64 y ^(2)`

Text Solution

Verified by Experts

The correct Answer is:
(i) `(x+4)(x+1)`
(ii) `(3x+5)(3x-5)`
(iii) `(5a+4b)(5a+4b)`
(iv) `(7x-8y)(7x-8y)` .
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