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Factorise the following : (i) x^(2)+7x+...

Factorise the following : `(i) x^(2)+7x+12 " " (ii) x^(2)+18x+45 " " (iii) x^(2)-7x+12 " "(iv) x^(2)-25x-84` `

Text Solution

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The correct Answer is:
`(i) (x+4)(x+3) " " (ii) (x+15)(x+3) " " (iii) (x-4)(x-3)`
`(iv) (x-28)(x+3) " " (v) (x-9)(x+8) " " (vi)(x^(4)-3)(x^(4)+2)`
`(vii) (19y-46x)(y+8x) " " (viii) (a-22)(a+9) " " (ix) (a+b+4x+4y)(a+b+2x+2y)`
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