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beks73 [17]
2 years ago
6

Find the values for a and b that would make the equality true. 4(ax^2 -5x+3)=8x^2 +bx+12

Mathematics
2 answers:
tankabanditka [31]2 years ago
5 0

Answer:

a 2 and b -20

Step-by-step explanation:

yawa3891 [41]2 years ago
4 0

Answer:

a = 2 and b = -20

Step-by-step explanation:

4(ax^2 -5x+3)=8x^2 +bx+12 should be multiplied out.  Next, we equate the coefficients of the several powers of x:

4ax² - 20x + 12 = 8x² + bx + 12

Then 4a = 8, so a = 2

and   -20 = b

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