Evaluate the expression h + k for h = 6 and k = 14
1 answer:
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The first one is 8 and here's a graph. the second one is 5 again here's a graph
Answer:
x = ± 2
Step-by-step explanation:
Given
x² + 5 = 3x² - 3 ( subtract x² + 5 from both sides )
0 = 2x² - 8 ( add 8 to both sides )
8 = 2x² ( divide both sides by 2 )
4 = x² ( take the square root of both sides )
x = ± = ± 2