3 years ago

Simplify the following expression. Plz HELPPPPPPPP.

Mathematics

1 answer:

OlgaM077 [116]3 years ago

3 0

The answer is A im positive

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Read 2 more answers

Reduce to lowest term. 2x^2- 18/x^2+4x-21

Dovator [93]

Answer:

$\frac{2(x+3)}{x+7}$

Step-by-step explanation:

Given

$\frac{2x^2-18}{x^2+4x-21}$ ← factorise numerator and denominator

2x² - 18 ( factor out 2 from each term )

= 2(x² - 9) ← difference of 2 squares

= 2(x - 3)(x + 3)

and

x² + 4x - 21 = (x + 7)(x - 3) , then

= $\frac{2(x-3)(x+3)}{(x+7)(x-3)}$ ← cancel common factor (x - 3) on numerator/ denominator

= $\frac{2(x+3)}{x+7}$

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3 years ago

Answer this for a kiss jp jp j answer it lol

Romashka-Z-Leto [24]

Answer:

wow ur hot

Step-by-step explanation:

whats ur snap hotty? ;)

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4 years ago

Erin made cookies in the shape of animals. Out of the 40 cookies she made, 16 of them were shaped like a giraffe. What percent o

bezimeni [28]

Answer:

Step-by-step explanation:

16/40×100

= 1600/40

= 160/40

= 40

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3 years ago