Question

[4t^2-5t^2-10t+70]\t
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Answer 1

Step-by-step explanation:

((4•(t2))-7t)-2)+((5t2-3t)+6)

STEP

2

:

Equation at the end of step

2

:

((22t2 - 7t) - 2) + (5t2 - 3t + 6)

STEP

3

:

Trying to factor by splitting the middle term

3.1 Factoring 9t2-10t+4

The first term is, 9t2 its coefficient is 9 .

The middle term is, -10t its coefficient is -10 .

The last term, "the constant", is +4

Step-1 : Multiply the coefficient of the first term by the constant 9 • 4 = 36

Step-2 : Find two factors of 36 whose sum equals the coefficient of the middle term, which is -10 .

-36 + -1 = -37

-18 + -2 = -20

-12 + -3 = -15

-9 + -4 = -13

-6 + -6 = -12

-4 + -9 = -13

For tidiness, printing of 12 lines which failed to find two such factors, was suppressed

Observation : No two such factors can be found !!

Conclusion : Trinomial can not be factored

Final result :

9t2 - 10t + 4

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