Question

factorise : q²-13q-30​

Answer 1

Answer ♡

Given,

• if 40% of a number is equal to

two third of another number.

To find ,

• Ratio of the first number to the

second number .

Solution ,

Let

• A and B be the two number

such that.

According to the question

• 40% of A = 2/3 B

Now ,

• 40 A/100 = 2B/3

• A/B = (2/3 × 5/2)

• A/B = 5/3

• A:B = 5:3

Hence,

• the ratio of the first number to

the second number is 5:3

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Answer 2

Step-by-step explanation:

=> q^2 - 13q -30

=> q^2 - 15q+ 2q-30

=> q( q-15) + 2( q-15)

=> (q+2)(q-15) answer .

I hope it will help you.