Mathematics, 14.09.2019 05:30, BELLE6284

Iam supposed to show that 4 − (x + 2)2 = −x(x + 4) by factorising the left-hand side. but i don't understand how to do it. can someone explain it to me?

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Iam supposed to show that 4 − (x + 2)2 = −x(x + 4) by factorising the left-hand side. but i don't un...