a bakery used 3 cups of flour to make a full size cake if they wanted to make a cake that was 1/2 the size how many cups of flou
1 answer:
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<u>Answer:</u>
x = 3, x = -3
<u>Step-by-step explanation:</u>
x² - 25 + 16 = 0
⇒ x² - 9 = 0
• Add 9 to both sides:
⇒ x² = 9
• Square root both sides of equation:
x =
x = ± 3
x = 3 and x = -3