3 years ago

X cm

Mathematics

1 answer:

Drupady [299]3 years ago

3 0

Answer:

Step-by-step explanation:

x×x=x²

2×x=2x

2×2=4

Add like terms to make the equation:

$x^{2} +4x+4=7$

So:

$x^{2} +4x=3$

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