Factorising quadratics
All questions please to be completed. I’m stuck.
1 answer:
Answer:
1. (x +1)(x - 1)
2. (x+5)(x-5)
3. (x+12)(x-12)
4. (x+14)(x-14)
5. (x+5)(x-7)
Step-by-step explanation:
The first 4 expressions can be factored with the difference of squares type of factoring.
For #5, the odd one out is (x+5)(x-7) because it isn't a factor of any of the standard form equations, while the others are
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Answer:
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Step-by-step explanation:
88, 75, 62, 49. = -13 -13 -13 = -13n + 101 (as 88+13 = 101)
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Answer:
your answer should be d
Step-by-step explanation:
P=2(L+W)
l=x+7
w=x
P=2(x+7+x)
P=2(2x+7)
P=4x+14
hast to be greater than 154
P>154
4x+14>154
minus 14 both sides
4x>140
divide 4
x>35