3 years ago

Identify the factors of 4x2 + 12x + 9.

Mathematics

1 answer:

timama [110]3 years ago

8 0

(2x+3)(2x+3) is the answer. Multiply contents of brackets on each other so, 4x+6x+6x+9=4x^2+12x+9

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Find the area of a triangle with a base length of 3 units and a height of 4 units.

svetlana [45]

Answer:

$6$ square units

Step-by-step explanation:

The area of a triangle can be calculated by multiplying the triangle's base by its height, and then dividing the result by $2$ . As an algebraic expression, this would be $\frac{bh}{2}$ , where $b$ is the triangle's base and $h$ is the triangle's height. In this case, we know that $b=3$ and $h=4$ . Therefore, the area of this triangle is $\frac{3*4}{2} =\frac{12}{2} =6$ square units. Hope this helps!