5x(x+4)

Step by step

5x^2 = 5x(x) because it’s the largest you can divide by
20x =4 because 5x times by 4 = 20x
Which means 5x^2+20x = 5x^2+20x= 5x(x+4)

7 0

3 years ago

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1 + 10 square theta (1 - sin square theta is equals to 1<br>

KengaRu [80]

Let's prove

$\boxed{\sf 1+tan^2\theta(1-sin^2\theta)=1}$

LHS

$\\ \sf\longmapsto 1+tan^2\theta(1-sin^2\theta)$

$\\ \sf\longmapsto 1+\dfrac{sin^2\theta}{cos^2\theta}(1-sin^2\theta)$

$\\ \sf\longmapsto \dfrac{cos^2\theta+sin^2\theta}{cos^2\theta}(1-sin^2\theta)$

$\\ \sf\longmapsto \dfrac{1}{cos^2\theta}(1-sin^2\theta)$

$\\ \sf\longmapsto \dfrac{1-sin^2\theta}{cos^2\theta}$

$\\ \sf\longmapsto \dfrac{1-sin^2\theta}{1-sin^2\theta}$

$\\ \sf\longmapsto 1$

Hence provee

3 0

3 years ago

Ivan used coordinate geometry to prove that quadrilateral EFGH is a square.

Thepotemich [5.8K]

Answer:

this is geometry?

Step-by-step explanation:

5 0

3 years ago