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slamgirl [31]
3 years ago
6

Which quadratic equation is equivalent to (x + 2)2 + 5(x + 2) – 6 = 0?

Mathematics
2 answers:
Dahasolnce [82]3 years ago
5 0

Answer:

u2 + 5u – 6 = 0 where u = (x + 2)

Darya [45]3 years ago
3 0
Quadratic is in the form
ax^2+bx+c=0

so distribute and stuff and simplify
remember
a(b+c)=ab+ac

(x+2)^2+5(x+2)-6=0
remember order of opertaions
(x+2)(x+2)+5(x+2)-6=0
x^2+4x+4+5x+10-6=0
add like terms
x^2+9x+8=0
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