Find the sum using estimation to the nearest dollar: $72.90+$15.45+$120.99
2 answers:
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Answer: and
Step-by-step explanation:
To factor an equation in the form of you need to find the value of
. So first solve for that
Now we need to find two numbers that add up to b and multiply together to make ac. In this case those numbers are 5 and 8 since 5+8=13 and (5)(8)=40
Now split 13x into 5x+8x and solve by grouping
Factor out the GCF in each quantity
Now group x+2 together
Finally, set each factor equal to 0 and solve for x