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2 years ago

10

1225=s^2 solve for s

2 answers:

Zigmanuir [339]2 years ago

8 0

You could solve this in one of several ways.
1) you could find the square root of both sides of the given equation, being sure to write (+.-) in front of the sqrt of 1225, or
2) you could rewrite the given equation as s^2-1225=0 and factor the result
3) you could use logarithms to solve the given equation.

Naddik [55]2 years ago

6 0

<span>s = -35 or s = 35 . . . . . . . . . . . . . . . </span>

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Which binomial is a factor of 49x2 + 84 xy + 36y2?

bezimeni [28]

Answer:

(7x+6y) is a binomial factor of the given expression $49x^2+84xy+36y^2$

Therefore $49x^2+84xy+36y^2=(7x+6y)(7x+6y)$

Step-by-step explanation:

Given expression is $49x^2+84xy+36y^2$

To find the binomial factor :

$49x^2+84xy+36y^2$

Rewritting the above expression as

$=7^2x^2+2(7)(6)xy+6^2y^2$

$=(7x)^2+2(7x)(6y)+(6y)^2$

$=(7x+6y)^2$ ( using the formula $=(a+b)^2=a^2+2ab+b^2$ here a=7x and y=6y )

$=(7x+6y)(7x+6y)$ ( using the formula $=(a+b)^2=(a+b)(a+b)$ )

Therefore $49x^2+84xy+36y^2=(7x+6y)(7x+6y)$

(7x+6y) is a binomial factor of the given expression $49x^2+84xy+36y^2$

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