Simplify the polynomial by combining like terms. Make sure your anwser is in standard form: 4x + 7 - 8x (2) + 2x + 5x (2) - 11
2 answers:
Answer:

Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about:</h3>
- algebra
- algebraic addition subtraction
- PEMDAS
<h3>tips and formulas:</h3>
- quadratic expression standard form:ax²+bx+c
- order of PEMDAS
- parentheses
- exponent
- multiplication or
- division
- addition
- subtraction
<h3>given:</h3>
<h3>to do</h3>
<h3>let's do:</h3>






therefore
we can see the expression is in standard form since a,b and c is -3,6 and -4
also let's justify it
substitute the value of a,b and c respectively
(-3)x²+(6)x+(-4)
-3x²+6x-4 (proven)
Answer:
Step-by-step explanation:
<u>Simplify</u>:
- 4x + 7 - 8x² + 2x + 5x² - 11 =
- x²(-8 + 5) + x(4 + 2) + (7 - 11) =
- -3x² + 6x - 4
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Step-by-step explanation:
7(2x+5)=11x-9-x
14x+35=10x-9
4x+35=-9
4x=-44
x=-11
Answer:
-18 x 4 = -72
Step-by-step explanation:
a negative times a positive is a negative number.
Here is your answer
diameter of tyre= 184cm
So,
Circumference=

×d
= 3.14 × 184 cm
= 577.76 cm
HOPE IT IS USEFUL