1. Take the two x-axis intersections.
For Q 31 it is:
x = -4 and x = 0
2. Reorganise the previous equations
x +4 = 0 and x = 0
3. Put the x side in brackets
x(x+4)
4. Done
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Q 32
x = -1
x = 5
x + 1 = 0
x - 5 = 0
(x+1)(x-5)
Answer:
a=11
Step-by-step explanation:
a=m2 +2
a= (-3)2+2
a=9+2
a=11
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Step-by-step explanation:
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When 36 is decreased by 75%, the result is 9.
75% of 36 is 27.
36 - 27 = 9
