Question

(4) 5y2 + 5y - 10 how to solve with steps​

Answer 1

Answer:

=5y*2+5y-10

=5y*{2+(-10)}

=5y*(2-10)

=5y*(-20) (greater number is 10 that's why written as -20)

5y= 20

y=4

Step-by-step explanation:

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Answer 2

Answer:

On comparing with standard quadratic equation that is ax2 + bx + c.

Let us simplify the given expression, we get

5y2 + 5y – 10 = 5(y² + y – 2) [By taking out the common factor 5]

= 5(y² + 2y – y – 2)

= 5[y(y + 2) – 1(y + 2)]

= 5 (p + 2) (y- 1)