please solve these two question I mark you brainliest
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Answered by
0
Answer:
Step-by-step explanation:
a = 2 , b = -2
1) a² - ab - b²
2² - 2 X -2 - (-2)²
4 + 4 + 4
12
2) 2 (3x - 1) = 10
6x - 2 = 10
6x = 10 + 2
6x = 12
x = 12/6
x = 2
Answered by
1
Step-by-step explanation:
1. a²+ab+b²
=2²+2×(-2)+(-2)²
=4-4+4
=4-8
=-4
2.6x-2=10
6x=10+2
6x=12
x=12/6
x=2
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