Hamza decides to increase the prices of all items in his shop by 10%, Work out the new price of in item normally priced at £210
1 answer:
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Answer:
D) x = -12 or x = 2
Step-by-step explanation:
The given quadratic equation is:
When y=0, we obtain:
We split the middle term with -2, 12 because their product is is -24 and their sum is 10.
We factor by grouping to obtain:
Either or
Either or