QUESTION
Solve (y+3) (y+7)
Answers
Step-by-step explanation:
(y+3)(y+7)
=y(y+7)+3(y+7)
=y^2+7y+3y+21
=y^2+10y+21
Rearrange:
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
y/3-(7)=0
Step by step solution :
STEP
1
:
y
Simplify —
3
Equation at the end of step
1
:
y
— - 7 = 0
3
STEP
2
:
Rewriting the whole as an Equivalent Fraction
2.1 Subtracting a whole from a fraction
Rewrite the whole as a fraction using 3 as the denominator :
7 7 • 3
7 = — = —————
1 3
Equivalent fraction : The fraction thus generated looks different but has the same value as the whole
Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator