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3 years ago

10

I REALLY NEED SOME HELP ITS DUE IN 5 MINUTES!!!!

1 answer:

Nookie1986 [14]3 years ago

8 0

Answer:

A = 180 and 160.

B = 180, 45 and 45.

C = 180 and 45.

D = 180 and 164.

E = 180 and 250.

F = 180 and 55.

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Answer:

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Step-by-step explanation:

$(4x+4)(7x+3)$

Apply FOIL method: $(a+b)(c+d)=ac+ad+bc+bd$

$a=4x,b=4,c=7x,d=-3$

$=4x*7x+4x(-3)+4*7+4(-3)$

Apply minus - plus rules

$+(-a)=-a$

$=4*7xx-4*3x+4*7-4*3$

Simplify $4*7xx-4*3x+4*7-4*3$

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Multiply the numbers: $4*7=28$

Apply exponent rule: $a^{b} *a^{c} =a^{b+c}$

$xx=x^{1+1}$

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Add the numbers: $1+1=2$

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Multiply the numbers: $4*3=12$

$=12x$

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Multiply the numbers: $4*7=28$

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Multiply the numbers: $4*3=12$

$=12$

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Add similar elements: $-12x+28x=16x$

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$28x^{2} +16x-12$

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