Qual o resultado de:
5²+5x-5-25²=40x-30x
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Respondido por
1
5²+5x-5-25²=40x-30x
25+5x-5-625=10x
5x-10x+20-625=0
-5x=-20+625
(-)-5x=6055
5x=-605
x=-605/5
x=-121
25+5x-5-625=10x
5x-10x+20-625=0
-5x=-20+625
(-)-5x=6055
5x=-605
x=-605/5
x=-121
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Respondido por
1
5² + 5x - 5 - 25² = 40x - 30x
25 + 5x - 5 - 625 = 10x
25 + 5x - 630 = 10x
5x - 605 = 10x
5x - 10x = 605
-5x = 605 .(-1)
5x = -605
x = -605 / 5
=> x = -121
25 + 5x - 5 - 625 = 10x
25 + 5x - 630 = 10x
5x - 605 = 10x
5x - 10x = 605
-5x = 605 .(-1)
5x = -605
x = -605 / 5
=> x = -121
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