Simplify the expression and find its value.
[(-2)' * (-2)2 = (-2)]
[(-2)* (-2) = (-2)4]
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Answered by
2
Answer:
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Step-by-step explanation:
2x
2
−3y+3x
2
+5x
2
+5x−7−7x+2y
=10x
2
−2x−y−7
At x=−1 and y=2,
10(−1)
2
−2(−1)−2−7
= 10+2−2−7
=3
Answered by
0
Answer:
A man runs from a place A to a place B in 1 hour 30 minutes. If the distance between the two places is 6 km, find his speed
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