17. Find scalars a and b such that a(A + B) + b(C + D) = 0. %3D 18. Find scalars a, b, and e such that aA + bB + cC = D.

Q: 7 + 9

A: 7+9=

Q: What’s 20+20

A: Topic : addition

Q: 4xt5

A:

Q: Plot 3, - 12, and 9 on the number line. -10 -5 10

A: We need to draw numbers on number line.

Q: Expand to write an equivalent expression-12(-2x+4y)

A: Given that 12(-2x+4y) To Expand to write an equivalent expression

Q: Divide showing your work to receive full credit (a* + 45a +18a?) - 9a

A:

Q: Find 8 + 10 + 12+...+324.

A:

Q: snip

A: The given expression is 1x+11x2-1

Q: Simplify (-3a4b3)3

A:

Q: a2-7a+10=0

A: We have to factor 10 so that the sum of the factors = -710= -5 times -2 and -5 + (-2) =-7 too So we…

Q: 2*2+1

A: Use bodmas rule

Q: Evaluate x2 + 5x, for x = 6.

A: x2+5x, x=6

Q: 11+(9+4)=(6+7)+11

A: 11+(9+4) = (6+7)+11 LHS 11+(9+4) = 11+13 = 24

Q: 5*2(4+1) equals what

A: We can solve this as follows:

Q: 3b-4=28-b b=?

A:

Q: -2/4x + 4 + 23 = 3

A:

Q: 5w-13=11-3w.

A: NOTE: Refresh your page if you can't see any equations. . add 13 to both sides

Q: Simplify

A: 4a2b4-a32b2

Q: Evaluate 7 + 5x, for x = 10

A: Evaluate 7 + 5x, for x = 10

Q: b. Evaluate—(3x − 2)° 6

A: We need to evaluate

Q: 9-2c=-13 justification

A: The objective of the question is to solve the equation for the variable 'c'.

Q: 6х12-2хго)

A:

Q: Evaluate 4a + b - 12 when a = - 1 and b = 2.5

A: See the solution below:

Q: -10, -17/2, -7, -11/2

A:

Q: -5+2(8-12)

A: Use PEMDAS rule to simplify.First we work with the parenthesis. In it 8-12=-4

Q: Зх3 — 2х2 —6х + 4

A: a. Factorization, 3x3-2x2-6x+4=3x3-2x2-6x-4=x23x-2-23x-2=x2-23x-2

Q: V-3•V-6 -3 V2

A: