factories the following expression
1. x²+11x+30
2. x²-11x-42
3. z²-12z+27
4. p²-5p-6
5. p²+p-56
Answers
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Step-by-step explanation:
=x²+11x+30
= x²+5x+6x+30
= x(x+5)+6(x+5)
= (x+5)(x+6)
=x²-11x-42
= x²+3x-14x-42
= (x+3)(x-14)
=z²-12z+27
= z²-3z-9z+27
= (z-3)(z-9)
=p²-5p-6
= p²+p-6p-6
= (p+1)(p-6)
=p²+p-56
= p²+8p-7p-56
= (p+8)(p-7)
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