2 years ago

Bonjour je ne comprend pas cette exercice pouvez vous m'aider svppp

Mathematics

1 answer:

Montano1993 [528]2 years ago

4 0

Answer:

l'autre dimension x+2

Step-by-step explanation:

Formule por 'aire

L × l, longueur fois largeur

(5) x (x+2) = 5x+10

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Find the TWO integers whos product is -12 and whose sum is 1

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Answer:

$\rm Numbers = 4 \ and \ -3.$

Step-by-step explanation:

Given :-

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$\rm\implies 1st \ number * 2nd \ number= -12\\\\\rm\implies x(1-x)=-12\\\\\rm\implies x - x^2=-12\\\\\rm\implies x^2-x-12=0\\\\\rm\implies x^2-4x+3x-12=0\\\\\rm\implies x(x-4)+3(x-4)=0\\\\\rm\implies (x-4)(x+3)=0\\\\\rm\implies\boxed{\red{\rm x = 4 , -3 }}$