Find a value for y for which the expression (1-y)(3-y)(6-y) has each given value
2 answers:
Answer:
Step-by-step explanation:
- (1 - y)(3 - y)(6 - y) = -70
We can see the divisors are 2 and 3 apart.
i.
<u>Factorize -70 so that divisors are 2 and 3 apart:</u>
<u>The smallest one is 1 - y and -7:</u>
- 1 - y = -7
- y = 1 + 7
- y = 8
ii
<u>Factorize 120 so that divisors are 2 and 3 apart:</u>
<u>The smallest one is 1 - y and 3:</u>
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