Ola Laurinha
a(x + 2) + b*(x - 2) = 4x - 3
ax + 2a + bx - 2b = 4x - 3
a + b = 4
2a - 2b = -3
2a + 2b = 8
4a = 5
a = 5/4
b = 16/4 - 5/4 = 11/4
pronto
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Ola Laurinha
a(x + 2) + b*(x - 2) = 4x - 3
ax + 2a + bx - 2b = 4x - 3
a + b = 4
2a - 2b = -3
2a + 2b = 8
4a = 5
a = 5/4
b = 16/4 - 5/4 = 11/4
pronto