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kicyunya [14]
3 years ago
10

Brian is solving the equation x squared minus three-fourths x = 5. What value must be added to both sides of the equation to mak

e the left side a perfect-square trinomial?
Mathematics
2 answers:
den301095 [7]3 years ago
8 0

Answer:

\dfrac{9}{64}

Step-by-step explanation:

Given the equation: x^2-\frac{3}{4}x=5

To make the left hand side of the equation a perfect trinomial, we follow these steps.

Step 1: Divide the coefficient of x by 2.

Coefficient of x =-\frac{3}{4}

-\frac{3}{4} \div 2 =-\frac{3}{8}

Step 2: Square your result from step 1

\implies (-\frac{3}{8})^2 \\=\dfrac{9}{64}

Therefore, to make the Left-Hand side a  perfect-square trinomial, we add 9/64.

Eduardwww [97]3 years ago
3 0

Answer:

Term to add is (3/8)^2 = 9/64

Step-by-step explanation:

Here, we want to know the value that must be added to make the equation a perfect square.

x^2 - 3/4x = 5

x^2 -3/4x -(3/8)^2+ (3/8)^2 = 5

x^2 -3/4x + (3/8)^2 = 5 + (3/8)^2

= (x-3/8)^2 = 5 + (3/8)^2

So the term to add is (3/8)^2 = 9/64

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